improvement: docker infrastructure overhauled.

infrastructure/docker-compose.staging.yml

@@ -0,0 +1,107 @@
+# Staging stack — builds images from local backend/frontend (needs full repo clone).
+# For pull-only images + registry (no app source on server), use docker-compose.registry.yml
+# and .gitea/workflows/registry-build-deploy.yml instead.
+#
+# From this directory:
+#   docker compose -f docker-compose.staging.yml --env-file .env.staging up -d --build
+
+name: dyolink-staging
+
+services:
+  postgres:
+    image: postgres:15-alpine
+    container_name: dyolink_postgres_staging
+    env_file:
+      - database.staging.env
+    environment:
+      TZ: UTC
+    volumes:
+      - postgres_data_staging:/var/lib/postgresql/data
+      - ./database/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
+      - ./database/backups:/backups
+    networks:
+      - dyolink_staging
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER"]
+      interval: 15s
+      timeout: 10s
+      retries: 5
+      start_period: 40s
+
+  backend:
+    build:
+      context: ../backend
+      dockerfile: Dockerfile
+    container_name: dyolink_backend_staging
+    depends_on:
+      postgres:
+        condition: service_healthy
+    env_file:
+      - backend.staging.env
+    environment:
+      NODE_ENV: production
+      TZ: UTC
+      PORT: "3000"
+    expose:
+      - "3000"
+    networks:
+      - dyolink_staging
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "node", "-e", "require('http').get('http://127.0.0.1:3000/api/health', (r) => {if(r.statusCode!==200)process.exit(1)})"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+
+  frontend:
+    build:
+      context: ../frontend
+      dockerfile: Dockerfile
+      args:
+        NEXT_PUBLIC_API_URL: ${STAGING_NEXT_PUBLIC_API_URL:-http://178.131.50.201:8088/api}
+        NEXT_PUBLIC_APP_URL: ${STAGING_NEXT_PUBLIC_APP_URL:-http://178.131.50.201:8088}
+        NEXT_PUBLIC_APP_NAME: ${STAGING_NEXT_PUBLIC_APP_NAME:-Dyolink}
+    container_name: dyolink_frontend_staging
+    depends_on:
+      - backend
+    environment:
+      NODE_ENV: production
+      TZ: UTC
+      PORT: "3000"
+      HOSTNAME: "0.0.0.0"
+    expose:
+      - "3000"
+    networks:
+      - dyolink_staging
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "node", "-e", "require('http').get('http://127.0.0.1:3000/', (r) => {if(r.statusCode!==200)process.exit(1)})"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+
+  nginx:
+    image: nginx:alpine
+    container_name: dyolink_nginx_staging
+    depends_on:
+      - backend
+      - frontend
+    ports:
+      - "${STAGING_HTTP_PORT:-8088}:80"
+    volumes:
+      - ./nginx/http-only.conf:/etc/nginx/conf.d/default.conf:ro
+      - ./logs/nginx-staging:/var/log/nginx
+    networks:
+      - dyolink_staging
+    restart: unless-stopped
+
+networks:
+  dyolink_staging:
+    name: dyolink_staging
+
+volumes:
+  postgres_data_staging:
+    name: dyolink_postgres_data_staging