Complete project

2026-04-05 21:30:41 +04:00 · 2025-03-17 10:01:32 +04:00
parent bcc5d1daf4
commit 46c040c642
41 changed files with 1951 additions and 127 deletions
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,3 +1,4 @@
+PORT=8000
 DATABASE_TYPE=postgres
 DATABASE_HOST=localhost
 DATABASE_PORT=3306
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -9,12 +9,15 @@
      "version": "0.0.1",
      "license": "UNLICENSED",
      "dependencies": {
-        "@nestjs/common": "^11.0.1",
+        "@nestjs/common": "^11.0.11",
        "@nestjs/config": "^4.0.1",
-        "@nestjs/core": "^11.0.1",
+        "@nestjs/core": "^11.0.11",
        "@nestjs/platform-express": "^11.0.1",
+        "@nestjs/platform-socket.io": "^11.0.11",
+        "@nestjs/platform-ws": "^11.0.11",
        "@nestjs/swagger": "^11.0.6",
        "@nestjs/typeorm": "^11.0.0",
+        "@nestjs/websockets": "^11.0.11",
        "class-transformer": "^0.5.1",
        "class-validator": "^0.14.1",
        "mysql2": "^3.13.0",
@@ -2407,6 +2410,65 @@
        "@nestjs/core": "^11.0.0"
      }
    },
+    "node_modules/@nestjs/platform-socket.io": {
+      "version": "11.0.11",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-11.0.11.tgz",
+      "integrity": "sha512-+bLrtTSPDX6AxrL9PbR5lEgcEnn6oFzkGpLUcm3Xs9x5OBejzJh1tiWgBGJRQIh3l9iIG8/mQ8hNwufAt8SIcA==",
+      "license": "MIT",
+      "dependencies": {
+        "socket.io": "4.8.1",
+        "tslib": "2.8.1"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^11.0.0",
+        "@nestjs/websockets": "^11.0.0",
+        "rxjs": "^7.1.0"
+      }
+    },
+    "node_modules/@nestjs/platform-ws": {
+      "version": "11.0.11",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-ws/-/platform-ws-11.0.11.tgz",
+      "integrity": "sha512-aIQCEJVHwlRwJPczFShsWEJq7w+VqyAFe1EjG8oxSihJ7sPqT+1jOLgqXabZSAKZNl2sF4++NtxwGZG++5/hlQ==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "2.8.1",
+        "ws": "8.18.1"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^11.0.0",
+        "@nestjs/websockets": "^11.0.0",
+        "rxjs": "^7.1.0"
+      }
+    },
+    "node_modules/@nestjs/platform-ws/node_modules/ws": {
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/@nestjs/schematics": {
      "version": "11.0.2",
      "resolved": "https://registry.npmjs.org/@nestjs/schematics/-/schematics-11.0.2.tgz",
@@ -2579,6 +2641,29 @@
        "typeorm": "^0.3.0"
      }
    },
+    "node_modules/@nestjs/websockets": {
+      "version": "11.0.11",
+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-11.0.11.tgz",
+      "integrity": "sha512-9sNNT/kYA534iaFyZ9MrOXKwQFuJArsMXhT6ywVxaWKQ84lVbV/sDmdmJUe9mzUGLPiHMn+m3oDUO9MiLTEKPA==",
+      "license": "MIT",
+      "dependencies": {
+        "iterare": "1.2.1",
+        "object-hash": "3.0.0",
+        "tslib": "2.8.1"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^11.0.0",
+        "@nestjs/core": "^11.0.0",
+        "@nestjs/platform-socket.io": "^11.0.0",
+        "reflect-metadata": "^0.1.12 || ^0.2.0",
+        "rxjs": "^7.1.0"
+      },
+      "peerDependenciesMeta": {
+        "@nestjs/platform-socket.io": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/@nodelib/fs.scandir": {
      "version": "2.1.5",
      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2710,6 +2795,12 @@
        "@sinonjs/commons": "^3.0.0"
      }
    },
+    "node_modules/@socket.io/component-emitter": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
+      "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==",
+      "license": "MIT"
+    },
    "node_modules/@sqltools/formatter": {
      "version": "1.2.5",
      "resolved": "https://registry.npmjs.org/@sqltools/formatter/-/formatter-1.2.5.tgz",
@@ -3134,6 +3225,15 @@
      "dev": true,
      "license": "MIT"
    },
+    "node_modules/@types/cors": {
+      "version": "2.8.17",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
+      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
    "node_modules/@types/eslint": {
      "version": "9.6.1",
      "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-9.6.1.tgz",
@@ -3276,7 +3376,6 @@
      "version": "22.13.10",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.10.tgz",
      "integrity": "sha512-I6LPUvlRH+O6VRUqYOcMudhaIdUVWfsjnZavnsraHvpBwaEyMN29ry+0UVJhImYL16xsscu0aske3yA+uPOWfw==",
-      "devOptional": true,
      "license": "MIT",
      "dependencies": {
        "undici-types": "~6.20.0"
@@ -4372,6 +4471,15 @@
      ],
      "license": "MIT"
    },
+    "node_modules/base64id": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
+      "license": "MIT",
+      "engines": {
+        "node": "^4.5.0 || >= 5.9"
+      }
+    },
    "node_modules/bin-version": {
      "version": "6.0.0",
      "resolved": "https://registry.npmjs.org/bin-version/-/bin-version-6.0.0.tgz",
@@ -5486,6 +5594,104 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/engine.io": {
+      "version": "6.6.4",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.4.tgz",
+      "integrity": "sha512-ZCkIjSYNDyGn0R6ewHDtXgns/Zre/NT6Agvq1/WobF7JXgFff4SeDroKiCO3fNJreU9YG429Sc81o4w5ok/W5g==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/cors": "^2.8.12",
+        "@types/node": ">=10.0.0",
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.7.2",
+        "cors": "~2.8.5",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~5.2.1",
+        "ws": "~8.17.1"
+      },
+      "engines": {
+        "node": ">=10.2.0"
+      }
+    },
+    "node_modules/engine.io-parser": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.3.tgz",
+      "integrity": "sha512-HqD3yTBfnBxIrbnM1DoD6Pcq8NECnh8d4As1Qgh0z5Gg3jRRIqijury0CL3ghu/edArpUYiYqQiDUQBIs4np3Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/engine.io/node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/engine.io/node_modules/cookie": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/engine.io/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/engine.io/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/engine.io/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/engine.io/node_modules/negotiator": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
    "node_modules/enhanced-resolve": {
      "version": "5.18.1",
      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.18.1.tgz",
@@ -8725,6 +8931,15 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/object-hash": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-3.0.0.tgz",
+      "integrity": "sha512-RSn9F68PjH9HqtltsSnqYC1XXoWe9Bju5+213R98cNGttag9q9yAOTzdbsqvIa7aNm5WffBZFpWYr2aWrklWAw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 6"
+      }
+    },
    "node_modules/object-inspect": {
      "version": "1.13.4",
      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -10098,6 +10313,141 @@
        "node": ">=8"
      }
    },
+    "node_modules/socket.io": {
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.1.tgz",
+      "integrity": "sha512-oZ7iUCxph8WYRHHcjBEc9unw3adt5CmSNlppj/5Q4k2RIrhl8Z5yY2Xr4j9zj0+wzVZ0bxmYoGSzKJnRl6A4yg==",
+      "license": "MIT",
+      "dependencies": {
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "cors": "~2.8.5",
+        "debug": "~4.3.2",
+        "engine.io": "~6.6.0",
+        "socket.io-adapter": "~2.5.2",
+        "socket.io-parser": "~4.2.4"
+      },
+      "engines": {
+        "node": ">=10.2.0"
+      }
+    },
+    "node_modules/socket.io-adapter": {
+      "version": "2.5.5",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.5.5.tgz",
+      "integrity": "sha512-eLDQas5dzPgOWCk9GuuJC2lBqItuhKI4uxGgo9aIV7MYbk2h9Q6uULEh8WBzThoI7l+qU9Ast9fVUmkqPP9wYg==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "~4.3.4",
+        "ws": "~8.17.1"
+      }
+    },
+    "node_modules/socket.io-adapter/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/socket.io-parser": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz",
+      "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==",
+      "license": "MIT",
+      "dependencies": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.3.1"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/socket.io-parser/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/socket.io/node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/socket.io/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/socket.io/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/socket.io/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/socket.io/node_modules/negotiator": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
    "node_modules/sort-keys": {
      "version": "1.1.2",
      "resolved": "https://registry.npmjs.org/sort-keys/-/sort-keys-1.1.2.tgz",
@@ -11414,7 +11764,6 @@
      "version": "6.20.0",
      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.20.0.tgz",
      "integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==",
-      "devOptional": true,
      "license": "MIT"
    },
    "node_modules/universalify": {
@@ -11910,6 +12259,27 @@
      "dev": true,
      "license": "ISC"
    },
+    "node_modules/ws": {
+      "version": "8.17.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
+      "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/xtend": {
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
--- a/backend/package.json
+++ b/backend/package.json
@@ -20,12 +20,15 @@
    "test:e2e": "jest --config ./test/jest-e2e.json"
  },
  "dependencies": {
-    "@nestjs/common": "^11.0.1",
+    "@nestjs/common": "^11.0.11",
    "@nestjs/config": "^4.0.1",
-    "@nestjs/core": "^11.0.1",
+    "@nestjs/core": "^11.0.11",
    "@nestjs/platform-express": "^11.0.1",
+    "@nestjs/platform-socket.io": "^11.0.11",
+    "@nestjs/platform-ws": "^11.0.11",
    "@nestjs/swagger": "^11.0.6",
    "@nestjs/typeorm": "^11.0.0",
+    "@nestjs/websockets": "^11.0.11",
    "class-transformer": "^0.5.1",
    "class-validator": "^0.14.1",
    "mysql2": "^3.13.0",
--- a/backend/src/controllers/message/message.controller.ts
+++ b/backend/src/controllers/message/message.controller.ts
@@ -1,10 +1,14 @@
 import Message, { CreateMessageDTO } from '@/entities/message';
+import MessageGateway from '@/shared/gateways/message';
 import MessageService from '@/shared/services/message';
 import { Body, Controller, Get, Post } from '@nestjs/common';

@Controller('message')
 export class MessageController {
-  constructor(private messageService: MessageService) {}
+  constructor(
+    private messageService: MessageService,
+    private messageGateway: MessageGateway,
+  ) {}

  @Get()
  async getTopOfHistory(): Promise<Message[]> {
@@ -13,6 +17,8 @@ export class MessageController {

  @Post()
  async send(@Body() message: CreateMessageDTO): Promise<Message> {
-    return await this.messageService.addMessage(message);
+    const newMessage = await this.messageService.addMessage(message);
+    this.messageGateway.sendMessage(newMessage);
+    return newMessage;
  }
 }
--- a/backend/src/entities/message/message.ts
+++ b/backend/src/entities/message/message.ts
@@ -5,6 +5,9 @@ export class Message {
  @PrimaryGeneratedColumn()
  id: number;

+  @Column()
+  text: string;
+
  @Column()
  timeOfSend: string;

--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -1,12 +1,15 @@
 import { NestFactory } from '@nestjs/core';
 import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { ValidationPipe } from '@nestjs/common';
+import { WsAdapter } from '@nestjs/platform-ws';

-import AppModule from './modules/app';
+import AppModule from '@/modules/app';

 async function bootstrap() {
  const app = await NestFactory.create(AppModule);
+
  app.useGlobalPipes(new ValidationPipe());
+  app.useWebSocketAdapter(new WsAdapter(app));

  const options = new DocumentBuilder()
    .setTitle('Chat')
--- a/backend/src/modules/app/app.module.ts
+++ b/backend/src/modules/app/app.module.ts
@@ -4,13 +4,14 @@ import { ConfigModule } from '@nestjs/config';

 import config from '@/configuration/configuration';
 import databaseConfig from '@/configuration/database';
-import MessageModule from '../message';
+
+import MessageModule from '@/modules/message';

@Module({
  imports: [
    ConfigModule.forRoot({
      isGlobal: true,
-      load: [config],
+      load: [config, databaseConfig],
    }),
    TypeOrmModule.forRoot(databaseConfig()),

--- a/backend/src/modules/message/message.module.ts
+++ b/backend/src/modules/message/message.module.ts
@@ -1,5 +1,6 @@
 import MessageController from '@/controllers/message';
 import Message from '@/entities/message';
+import MessageGateway from '@/shared/gateways/message';
 import MessageService from '@/shared/services/message';
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
@@ -7,6 +8,6 @@ import { TypeOrmModule } from '@nestjs/typeorm';
@Module({
  imports: [TypeOrmModule.forFeature([Message])],
  controllers: [MessageController],
-  providers: [MessageService],
+  providers: [MessageService, MessageGateway],
 })
 export class MessageModule {}
--- a/backend/src/shared/gateways/message/index.ts
+++ b/backend/src/shared/gateways/message/index.ts
@@ -0,0 +1,3 @@
+import { MessageGateway } from './message.gateway';
+
+export default MessageGateway;
--- a/backend/src/shared/gateways/message/message.gateway.ts
+++ b/backend/src/shared/gateways/message/message.gateway.ts
@@ -0,0 +1,17 @@
+import Message from '@/entities/message';
+import { OnGatewayConnection, WebSocketGateway } from '@nestjs/websockets';
+import { Socket } from 'socket.io';
+
+@WebSocketGateway(8002)
+export class MessageGateway implements OnGatewayConnection {
+  private clients: Socket[] = [];
+
+  handleConnection(client: Socket) {
+    this.clients.push(client);
+  }
+
+  sendMessage = (message: Message) => {
+    console.log(message, this.clients.length);
+    this.clients.forEach((client) => client.send(JSON.stringify(message)));
+  };
+}
--- a/docker-compose-all.yml
+++ b/docker-compose-all.yml
@@ -0,0 +1,50 @@
+services:
+  postgres:
+    container_name: postgres_container
+    image: postgres
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: pass2postgres
+      PGDATA: /data/postgres
+    volumes:
+      - postgres:/data/postgres
+      - ./create_database.sql:/docker-entrypoint-initdb.d/init.sql
+    # ports:
+      # - "5432:5432"
+    networks:
+      - postgres
+    restart: unless-stopped
+
+  backend:
+    build: ./backend
+    environment:
+      DATABASE_HOST: postgres
+      DATABASE_PORT: 5432
+      DATABASE_USER: postgres
+      DATABASE_PASSWORD: pass2postgres
+      DATABASE_DATABASE: chat
+      WEBSOCKETS_PORT: 8001
+    # ports:
+      # - "5000:5000"
+    depends_on:
+      - postgres
+
+  frontend:
+    build: ./frontend
+    environment:
+      NEXT_PUBLIC_BASE_PROTOCOL: http
+      NEXT_PUBLIC_BASE_DOMAIN: backend
+      NEXT_PUBLIC_BASE_PORT: 3000
+      NEXT_PUBLIC_WS_URL: ws://backend:8002/
+      NEXT_PUBLIC_API_PATTERN: /
+    ports:
+      - "3000:3000"
+    depends_on:
+      - backend
+
+networks:
+  postgres:
+    driver: bridge
+
+volumes:
+  postgres:
--- a/frontend/.env
+++ b/frontend/.env
@@ -1 +0,0 @@
-NEXT_PUBLIC_API_PATTERN=/api
--- a/frontend/.env.development
+++ b/frontend/.env.development
@@ -1,9 +1,11 @@
-BACKEND_PROTOCOL=http
-BACKEND_DOMAIN=127.0.0.1
-BACKEND_PORT=8000
+BACKEND_API_PROTOCOL=http
+BACKEND_API_DOMAIN=localhost
+BACKEND_API_PORT=8000

-BASE_PROTOCOL=http
-BASE_DOMAIN=127.0.0.1
-BASE_PORT=3000
+NEXT_PUBLIC_BASE_PROTOCOL=http
+NEXT_PUBLIC_BASE_DOMAIN=localhost
+NEXT_PUBLIC_BASE_PORT=3000

-NEXT_PUBLIC_BASE_URL=http://127.0.0.1:3000
+NEXT_PUBLIC_WS_URL=ws://127.0.0.1:8002/
+
+NEXT_PUBLIC_API_PATTERN=/api/
--- a/frontend/next.config.ts
+++ b/frontend/next.config.ts
@@ -4,20 +4,21 @@ const nextConfig = {
      {
        source: "/api/:path*",
        destination:
-          `${process.env.BACKEND_PROTOCOL}://` +
-          `${process.env.BACKEND_DOMAIN}:${process.env.BACKEND_PORT}/:path*`,
+          `${process.env.BACKEND_API_PROTOCOL}://` +
+          `${process.env.BACKEND_API_DOMAIN}:${process.env.BACKEND_API_PORT}/:path*`,
      },
    ];
  },
  images: {
    remotePatterns: [
      {
-        protocol: process.env.BASE_PROTOCOL,
-        hostname: process.env.BASE_DOMAIN,
-        port: process.env.BASE_PORT,
+        protocol: process.env.NEXT_PUBLIC_BASE_PROTOCOL,
+        hostname: process.env.NEXT_PUBLIC_BASE_DOMAIN,
+        port: process.env.NEXT_PUBLIC_BASE_PORT,
      },
    ],
  },
+  devIndicators: false,
 };

 export default nextConfig;
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -9,10 +9,14 @@
    "lint": "next lint"
  },
  "dependencies": {
+    "@tailwindcss/vite": "^4.0.0",
    "next": "15.2.2",
    "next-themes": "^0.4.6",
    "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "swr": "^2.3.3",
+    "uuid": "^11.1.0",
+    "yup": "^1.6.1"
  },
  "devDependencies": {
    "@eslint/eslintrc": "^3",
@@ -22,7 +26,7 @@
    "@types/react-dom": "^19",
    "eslint": "^9",
    "eslint-config-next": "15.2.2",
-    "tailwindcss": "^4",
+    "tailwindcss": "^4.0.0",
    "typescript": "^5"
  }
 }
--- a/frontend/postcss.config.mjs
+++ b/frontend/postcss.config.mjs
@@ -1,5 +1,7 @@
 const config = {
-  plugins: ["@tailwindcss/postcss"],
+  plugins: {
+    "@tailwindcss/postcss": {},
+  },
 };

 export default config;
--- a/frontend/src/app/globals.css
+++ b/frontend/src/app/globals.css
@@ -1,14 +1,32 @@
-@tailwind base;
+/* @tailwind base;
@tailwind components;
-@tailwind utilities;
+@tailwind utilities; */
+@import "tailwindcss";

 :root {
+  font-size: calc((100vw / 1920) * 20);
+
+  --color-col1: #fb4934;
+  --color-col2: #b8bb26;
+  --color-col3: #fabd2f;
+  --color-col4: #83a598;
+  --color-col5: #d3869b;
+  --color-col6: #8ec07c;
+  --color-col7: #a89986;
+  --color-col8: #fe8019;
+}
+
+@theme {
  --color-bg0: #fbf1c7;
  --color-bg1: #ebdbb2;
+  --color-bg2: #d5c4a1;
+  --color-bg3: #bdae93;
  --color-bg4: #a89984;

  --color-fg0: #282828;
  --color-fg1: #3c3836;
+  --color-fg2: #504945;
+  --color-fg3: #665c54;
  --color-fg4: #7c6f64;

  --color-ac0: #83a598;
@@ -16,18 +34,19 @@
  --color-ac2: #8ec07c;

  --color-err: #cc241d;
-
-  --app-width: 70%;
-  font-size: calc((100vw / 1920) * 20);
 }

 [data-theme="dark"] {
  --color-bg0: #282828;
  --color-bg1: #3c3836;
+  --color-bg2: #504945;
+  --color-bg3: #665c54;
  --color-bg4: #7c6f64;

  --color-fg0: #fbf1c7;
  --color-fg1: #ebdbb2;
+  --color-fg2: #d5c4a1;
+  --color-fg3: #bdae93;
  --color-fg4: #a89984;

  --color-ac0: #076678;
@@ -35,8 +54,19 @@
  --color-ac2: #427b58;

  --color-err: #cc241d;
+
+  --color-col1: #9d0006;
+  --color-col2: #79740e;
+  --color-col3: #b57614;
+  --color-col4: #076678;
+  --color-col5: #8f3f71;
+  --color-col6: #427b58;
+  --color-col7: #7c6f65;
+  --color-col8: #af3a03;
 }

+@custom-variant dark (&:where([data-theme=dark], [data-theme=dark] *));
+
 html,
 body {
  padding: 0;
@@ -59,10 +89,6 @@ body * {
  scrollbar-width: thin;
 }

-audio::-webkit-media-controls-panel {
-  background-color: var(--color-bg1);
-}
-
@media (max-width: 1024px) {
  :root {
    font-size: calc((100vw / 1920) * 56);
@@ -74,4 +100,4 @@ audio::-webkit-media-controls-panel {
  :root {
    font-size: calc((100vw / 1920) * 64);
  }
-}
+}
--- a/frontend/src/app/layout.tsx
+++ b/frontend/src/app/layout.tsx
@@ -1,6 +1,6 @@
 import { Roboto } from "next/font/google";
-import "./globals.css";
 import { ThemeProvider } from "next-themes";
+import "./globals.css";

 const roboto = Roboto({ subsets: ["latin"] });

@@ -12,7 +12,7 @@ export default function RootLayout({
  return (
    <html lang="ru" suppressHydrationWarning>
      <body className={roboto.className}>
-        <ThemeProvider enableSystem={false} defaultTheme="light">
+        <ThemeProvider enableSystem={false} defaultTheme="dark">
          {children}
        </ThemeProvider>
      </body>
--- a/frontend/src/app/page.tsx
+++ b/frontend/src/app/page.tsx
@@ -1,3 +1,4 @@
+import ChatWindow from "@/widgets/chat-window";
 import { Metadata } from "next";

 export const metadata: Metadata = {
@@ -6,5 +7,9 @@ export const metadata: Metadata = {
 };

 export default async function Root() {
-  return <></>;
+  return (
+    <main className="w-full h-full flex items-center justify-center p-8">
+      <ChatWindow />
+    </main>
+  );
 }
--- a/frontend/src/entities/message/index.ts
+++ b/frontend/src/entities/message/index.ts
@@ -0,0 +1,5 @@
+import { MessageService } from "./message.service";
+
+export { type IMessage, messageSchema, messagesSchema } from "./message.schema";
+
+export default MessageService;
--- a/frontend/src/entities/message/message.schema.ts
+++ b/frontend/src/entities/message/message.schema.ts
@@ -0,0 +1,11 @@
+import { object, string, number, InferType, array } from "yup";
+
+export const messageSchema = object({
+  id: number().required().positive().integer(),
+  text: string().required(),
+  timeOfSend: string().required(),
+  sender: string().required(),
+});
+export const messagesSchema = array(messageSchema);
+
+export type IMessage = InferType<typeof messageSchema>;
--- a/frontend/src/entities/message/message.service.ts
+++ b/frontend/src/entities/message/message.service.ts
@@ -0,0 +1,16 @@
+import HTTPService from "@/shared/services/http";
+import { messageSchema, messagesSchema } from "./message.schema";
+
+export abstract class MessageService {
+  public static getTopOfHistory = () =>
+    HTTPService.get(`message`, messagesSchema);
+
+  public static sendMessage = (message: string, senderUUID: string) =>
+    HTTPService.post(`message`, messageSchema, {
+      body: {
+        text: message,
+        timeOfSend: new Date().toISOString(),
+        sender: senderUUID,
+      },
+    });
+}
--- a/frontend/src/entities/user/index.ts
+++ b/frontend/src/entities/user/index.ts
@@ -0,0 +1,5 @@
+import { UserService } from "./user.service";
+
+export { type IUser, userSchema } from "./user.schema";
+
+export default UserService;
--- a/frontend/src/entities/user/user.schema.ts
+++ b/frontend/src/entities/user/user.schema.ts
@@ -0,0 +1,8 @@
+import { object, string, number, InferType } from "yup";
+
+export const userSchema = object({
+  uuid: string().uuid().required(),
+  color: number().min(1).max(8).required(),
+});
+
+export type IUser = InferType<typeof userSchema>;
--- a/frontend/src/entities/user/user.service.ts
+++ b/frontend/src/entities/user/user.service.ts
@@ -0,0 +1,25 @@
+import { v1 as uuidV1 } from "uuid";
+import { IUser } from "./user.schema";
+
+export abstract class UserService {
+  private static pickedColors: IUser["color"][] = [];
+
+  public static generateMe = (): IUser => ({
+    uuid: uuidV1(),
+    color: 8,
+  });
+
+  public static generateUser = (uuid: IUser["uuid"]): IUser => {
+    const newColor = Array.from(Array(7).keys())
+      .map((i) => i + 1)
+      .reduce(
+        (p, c) => (!p && !this.pickedColors.includes(c) ? c : p),
+        undefined as number | undefined
+      );
+    this.pickedColors.push(newColor ?? 1);
+    return {
+      uuid: uuid,
+      color: newColor ?? 1,
+    };
+  };
+}
--- a/frontend/src/features/colorSchemeSwitch/colorSchemeSwitch.tsx
+++ b/frontend/src/features/colorSchemeSwitch/colorSchemeSwitch.tsx
@@ -0,0 +1,17 @@
+"use client";
+
+import { SunIcon } from "@/shared/assets/icons";
+import { useTheme } from "next-themes";
+
+export const ColorSchemeSwitch = () => {
+  const { theme, setTheme } = useTheme();
+
+  return (
+    <>
+      <SunIcon
+        className="h-10 min-w-10 max-w-10 cursor-pointer bg-bg3 p-1 rounded-lg hover:bg-bg4 transition"
+        onClick={() => setTheme(theme == "light" ? "dark" : "light")}
+      />
+    </>
+  );
+};
--- a/frontend/src/features/colorSchemeSwitch/index.ts
+++ b/frontend/src/features/colorSchemeSwitch/index.ts
@@ -0,0 +1,3 @@
+import { ColorSchemeSwitch } from "./colorSchemeSwitch";
+
+export default ColorSchemeSwitch;
--- a/frontend/src/features/messagesList/index.ts
+++ b/frontend/src/features/messagesList/index.ts
@@ -0,0 +1,3 @@
+import { MessagesList } from "./messagesList";
+
+export default MessagesList;
--- a/frontend/src/features/messagesList/message.tsx
+++ b/frontend/src/features/messagesList/message.tsx
@@ -0,0 +1,28 @@
+import { IMessage } from "@/entities/message";
+import { IUser } from "@/entities/user";
+
+export const Message = ({
+  message,
+  color,
+  align = "right",
+}: {
+  message: IMessage;
+  color: IUser["color"] | undefined;
+  align?: "left" | "right";
+}) => {
+  return (
+    <div
+      key={message.id}
+      style={{
+        background: `var(--color-col${color})`,
+        borderRadius: `var(--radius-xl)`,
+        [align === "right"
+          ? "borderBottomRightRadius"
+          : "borderBottomLeftRadius"]: 0,
+      }}
+      className={`max-w-20 p-2`}
+    >
+      {message.text}
+    </div>
+  );
+};
--- a/frontend/src/features/messagesList/messagesList.tsx
+++ b/frontend/src/features/messagesList/messagesList.tsx
@@ -0,0 +1,73 @@
+"use client";
+
+import MessageService from "@/entities/message";
+import UserService, { IUser } from "@/entities/user";
+import { useEffect, useRef, useState } from "react";
+import useSWR from "swr";
+import { Message } from "./message";
+
+export const MessagesList = () => {
+  const { data: users, mutate: mutateUsers } = useSWR<IUser[]>("users");
+  const { data: messages, mutate: mutateMessages } = useSWR(
+    "messages",
+    MessageService.getTopOfHistory,
+    { revalidateOnFocus: false }
+  );
+  const { data: me } = useSWR<IUser>("me");
+  const [websocket, updateWebSocket] = useState<WebSocket>();
+  const bottomRef = useRef<HTMLDivElement>(null);
+
+  const getUserColor = (userUUID: IUser["uuid"]) =>
+    users?.find((user) => user.uuid === userUUID)?.color;
+
+  useEffect(() => {
+    bottomRef.current?.scrollIntoView({ behavior: "smooth" });
+    const newUsers: IUser[] = [];
+    messages?.forEach((message) => {
+      if (
+        !users?.concat(newUsers).find((user) => user.uuid === message.sender)
+      ) {
+        const newUser = UserService.generateUser(message.sender);
+        newUsers.push(newUser);
+      }
+    });
+    mutateUsers([...(users ?? []), ...newUsers]);
+  }, [messages]);
+
+  useEffect(() => {
+    if (!websocket && messages && process.env.NEXT_PUBLIC_WS_URL) {
+      const websocket = new WebSocket(process.env.NEXT_PUBLIC_WS_URL);
+      websocket.onmessage = (event) => {
+        mutateMessages([...(messages ?? []), JSON.parse(event.data)], {
+          revalidate: false,
+        });
+      };
+      websocket.onclose = function () {
+        setTimeout(() => updateWebSocket(undefined), 1000);
+      };
+      updateWebSocket(websocket);
+    }
+    return () => websocket?.close();
+  }, [websocket, messages]);
+
+  return (
+    <div className="max-w-full h-full overflow-auto flex flex-col gap-2">
+      {messages?.map((message) => (
+        <div
+          key={message.id}
+          className="w-full flex"
+          style={{
+            justifyContent: message.sender === me?.uuid ? "end" : "start",
+          }}
+        >
+          <Message
+            message={message}
+            color={getUserColor(message.sender)}
+            align={message.sender === me?.uuid ? "right" : "left"}
+          />
+        </div>
+      ))}
+      <div ref={bottomRef}></div>
+    </div>
+  );
+};
--- a/frontend/src/features/sendMessage/index.ts
+++ b/frontend/src/features/sendMessage/index.ts
@@ -0,0 +1,3 @@
+import { SendMessage } from "./sendMessage";
+
+export default SendMessage;
--- a/frontend/src/features/sendMessage/sendMessage.tsx
+++ b/frontend/src/features/sendMessage/sendMessage.tsx
@@ -0,0 +1,41 @@
+"use client";
+
+import MessageService from "@/entities/message";
+import UserService from "@/entities/user";
+import { useState } from "react";
+import useSWR from "swr";
+
+export const SendMessage = () => {
+  const [message, updateMessage] = useState<string>("");
+  const { data: me } = useSWR(`me`, UserService.generateMe);
+
+  return (
+    <div className="w-full h-full flex items-center gap-4">
+      <input
+        type="text"
+        className={
+          "w-full h-full px-4 py-1 rounded-lg" +
+          " focus:outline-1 outline-fg4 focus:shadow-md"
+        }
+        placeholder="Напиши сообщение..."
+        value={message}
+        onChange={(e) => updateMessage(e.target.value)}
+      />
+      <button
+        className={
+          "h-full px-4 rounded-lg bg-ac2 disabled:bg-bg3" +
+          " cursor-pointer hover:shadow-md text-fg0 disabled:text-fg4"
+        }
+        disabled={!message || !me}
+        onClick={() => {
+          if (!!me) {
+            MessageService.sendMessage(message, me.uuid);
+            updateMessage("");
+          }
+        }}
+      >
+        Отправить
+      </button>
+    </div>
+  );
+};
--- a/frontend/src/shared/assets/icons/index.ts
+++ b/frontend/src/shared/assets/icons/index.ts
@@ -0,0 +1,2 @@
+export { SunIcon } from "./sunIcon";
+export { SendIcon } from "./sendIcon";
--- a/frontend/src/shared/assets/icons/sendIcon.tsx
+++ b/frontend/src/shared/assets/icons/sendIcon.tsx
@@ -0,0 +1,33 @@
+export const SendIcon = ({
+  className,
+  onClick,
+}: {
+  className?: string;
+  onClick?: () => void;
+}) => {
+  return (
+    <svg
+      viewBox="0 0 24 24"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+      className={className}
+      onClick={onClick}
+    >
+      <g id="SVGRepo_bgCarrier" stroke-width="0"></g>
+      <g
+        id="SVGRepo_tracerCarrier"
+        stroke-linecap="round"
+        stroke-linejoin="round"
+      ></g>
+      <g id="SVGRepo_iconCarrier">
+        {" "}
+        <path
+          fill-rule="evenodd"
+          clip-rule="evenodd"
+          d="M1.265 4.42619C1.04293 2.87167 2.6169 1.67931 4.05323 2.31397L21.8341 10.1706C23.423 10.8727 23.423 13.1273 21.8341 13.8294L4.05323 21.686C2.6169 22.3207 1.04293 21.1283 1.265 19.5738L1.99102 14.4917C2.06002 14.0087 2.41458 13.6156 2.88791 13.4972L8.87688 12L2.88791 10.5028C2.41458 10.3844 2.06002 9.99129 1.99102 9.50829L1.265 4.42619ZM21.0257 12L3.2449 4.14335L3.89484 8.69294L12.8545 10.9328C13.9654 11.2106 13.9654 12.7894 12.8545 13.0672L3.89484 15.3071L3.2449 19.8566L21.0257 12Z"
+          fill="var(--color-fg0)"
+        ></path>{" "}
+      </g>
+    </svg>
+  );
+};
--- a/frontend/src/shared/assets/icons/sunIcon.tsx
+++ b/frontend/src/shared/assets/icons/sunIcon.tsx
@@ -0,0 +1,31 @@
+export const SunIcon = ({
+  className,
+  onClick,
+}: {
+  className?: string;
+  onClick?: () => void;
+}) => {
+  return (
+    <svg
+      width="800px"
+      height="800px"
+      viewBox="0 0 24 24"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+      className={className}
+      onClick={onClick}
+    >
+      <path
+        d="M12 3V4M12 20V21M4 12H3M6.31412 6.31412L5.5 5.5M17.6859 
+            6.31412L18.5 5.5M6.31412 17.69L5.5 18.5001M17.6859 
+            17.69L18.5 18.5001M21 12H20M16 12C16 14.2091 14.2091 
+            16 12 16C9.79086 16 8 14.2091 8 12C8 9.79086 9.79086 
+            8 12 8C14.2091 8 16 9.79086 16 12Z"
+        stroke="var(--color-fg1)"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+};
--- a/frontend/src/shared/services/http/http.ts
+++ b/frontend/src/shared/services/http/http.ts
@@ -0,0 +1,95 @@
+import { AnySchema } from "yup";
+
+export type RequestCacheOptions = {
+  cache?: RequestCache;
+  next?: NextFetchRequestConfig;
+};
+
+type GetRequestOptions = RequestCacheOptions & {
+  headers?: HeadersInit;
+};
+
+type RequestOptions = GetRequestOptions & {
+  body?: BodyInit | object;
+  stringify?: boolean;
+};
+
+export abstract class HTTPService {
+  private static deepUndefinedToNull(o?: object): object | undefined {
+    if (Array.isArray(o)) return o;
+    if (o)
+      return Object.fromEntries(
+        Object.entries(o).map(([k, v]) => {
+          if (v === undefined) return [k, null];
+          if (typeof v === "object") return [k, this.deepUndefinedToNull(v)];
+          return [k, v];
+        })
+      );
+  }
+
+  public static async request<Y extends AnySchema>(
+    method: "GET" | "POST" | "PUT" | "DELETE",
+    url: string,
+    schema: Y,
+    options?: RequestOptions
+  ) {
+    return await fetch(
+      `${process.env.NEXT_PUBLIC_BASE_PROTOCOL}://` +
+        `${process.env.NEXT_PUBLIC_BASE_DOMAIN}:` +
+        `${process.env.NEXT_PUBLIC_BASE_PORT}` +
+        `${process.env.NEXT_PUBLIC_API_PATTERN}${url}`,
+      {
+        method: method,
+        headers: {
+          accept: "application/json",
+          ...((options?.stringify ?? true) != true
+            ? {}
+            : { "Content-Type": "application/json" }),
+          ...options?.headers,
+        },
+        body:
+          (options?.stringify ?? true) != true
+            ? (options?.body as BodyInit)
+            : JSON.stringify(
+                this.deepUndefinedToNull(options?.body as object | undefined)
+              ),
+        cache: options?.cache ?? options?.next ? undefined : "no-cache",
+        next: options?.next ?? {},
+      }
+    )
+      .then((r) => {
+        if (r && r.ok) return r;
+        else throw Error("Response ok = false");
+      })
+      .then((r) => r.json())
+      .then(async (d) => await schema.validate(d))
+      .catch((e) => {
+        console.error(e);
+        return null;
+      });
+  }
+
+  public static async get<Y extends AnySchema>(
+    url: string,
+    schema: Y,
+    options?: GetRequestOptions
+  ) {
+    return await this.request<Y>("GET", url, schema, options);
+  }
+
+  public static async post<Y extends AnySchema>(
+    url: string,
+    schema: Y,
+    options?: RequestOptions
+  ) {
+    return await this.request<Y>("POST", url, schema, options);
+  }
+
+  public static async put<Y extends AnySchema>(
+    url: string,
+    schema: Y,
+    options?: RequestOptions
+  ) {
+    return await this.request<Y>("PUT", url, schema, options);
+  }
+}
--- a/frontend/src/shared/services/http/index.ts
+++ b/frontend/src/shared/services/http/index.ts
@@ -0,0 +1,3 @@
+import { HTTPService } from "./http";
+
+export default HTTPService;
--- a/frontend/src/widgets/chat-window/index.ts
+++ b/frontend/src/widgets/chat-window/index.ts
@@ -0,0 +1,3 @@
+import { ChatWindow } from "./window";
+
+export default ChatWindow;
--- a/frontend/src/widgets/chat-window/window.tsx
+++ b/frontend/src/widgets/chat-window/window.tsx
@@ -0,0 +1,25 @@
+import ColorSchemeSwitch from "@/features/colorSchemeSwitch";
+import MessagesList from "@/features/messagesList";
+import SendMessage from "@/features/sendMessage";
+
+export const ChatWindow = () => {
+  return (
+    <div
+      className={
+        "w-lg h-full md:size-120 bg-bg1 p-4 rounded-lg " +
+        "drop-shadow-2xl flex flex-col gap-4 justify-between"
+      }
+    >
+      <MessagesList />
+      <div
+        className={
+          "w-full size-14 bg-bg2 p-2 rounded-lg drop-shadow-md " +
+          "flex flex-row gap-4 items-center justify-between"
+        }
+      >
+        <ColorSchemeSwitch />
+        <SendMessage />
+      </div>
+    </div>
+  );
+};
--- a/frontend/tailwind.config.ts
+++ b/frontend/tailwind.config.ts
@@ -1,47 +0,0 @@
-import type { Config } from "tailwindcss";
-
-const config: Config = {
-  content: [
-    "./src/pages/**/*.{js,ts,jsx,tsx,mdx}",
-    "./src/components/**/*.{js,ts,jsx,tsx,mdx}",
-    "./src/app/**/*.{js,ts,jsx,tsx,mdx}",
-    "./src/**/*.{js,ts,jsx,tsx,mdx}",
-  ],
-  theme: {
-    extend: {
-      colors: {
-        bg0: "var(--color-bg0)",
-        bg1: "var(--color-bg1)",
-        bg4: "var(--color-bg4)",
-        fg0: "var(--color-fg0)",
-        fg1: "var(--color-fg1)",
-        fg4: "var(--color-fg4)",
-        ac0: "var(--color-ac0)",
-        ac1: "var(--color-ac1)",
-        ac2: "var(--color-ac2)",
-        err: "var(--color-err)",
-      },
-      animation: {
-        fadeIn: "fadeIn 0.25s ease-in-out",
-        fadeOut: "fadeOut 0.25s ease-in-out",
-      },
-      keyframes: () => ({
-        fadeIn: {
-          "0%": { opacity: "0" },
-          "100%": { opacity: "1" },
-        },
-        fadeOut: {
-          "0%": { opacity: "1" },
-          "100%": { opacity: "0" },
-        },
-      }),
-    },
-    screens: {
-      tb: "640px",
-      lp: "1024px",
-      dsk: "1280px",
-    },
-  },
-  plugins: [],
-};
-export default config;