chore: rename compose files - production as default

- docker-compose.yml → production (Coolify default)
- docker-compose.dev.yml → local development

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker-compose.yml

@@ -2,49 +2,47 @@ services:
   db:
     image: postgres:16-alpine
     environment:
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
-      POSTGRES_DB: availability
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD required}
+      POSTGRES_DB: ${POSTGRES_DB:-availability}
     volumes:
       - postgres_data:/var/lib/postgresql/data
-    ports:
-      - "5433:5432"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 5s
       timeout: 5s
       retries: 5
+    restart: unless-stopped
 
   backend:
     build:
       context: ./backend
       dockerfile: Dockerfile
     environment:
-      DATABASE_URL: postgresql+asyncpg://postgres:postgres@db:5432/availability
-      SYNC_DATABASE_URL: postgresql://postgres:postgres@db:5432/availability
-    env_file:
-      - .env
-    ports:
-      - "8001:8000"
+      DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-availability}
+      SYNC_DATABASE_URL: postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-availability}
+      SMTP_HOST: ${SMTP_HOST:-}
+      SMTP_PORT: ${SMTP_PORT:-587}
+      SMTP_USER: ${SMTP_USER:-}
+      SMTP_PASSWORD: ${SMTP_PASSWORD:-}
+      ZULIP_SITE: ${ZULIP_SITE:-}
+      ZULIP_EMAIL: ${ZULIP_EMAIL:-}
+      ZULIP_API_KEY: ${ZULIP_API_KEY:-}
+      ZULIP_STREAM: ${ZULIP_STREAM:-general}
     depends_on:
       db:
         condition: service_healthy
-    volumes:
-      - ./backend/src:/app/src
-      - ./backend/alembic:/app/alembic
+    restart: unless-stopped
 
   frontend:
     build:
       context: ./frontend
-      dockerfile: Dockerfile
-    ports:
-      - "5174:8080"
-    environment:
-      VITE_API_URL: http://localhost:8001
+      dockerfile: Dockerfile.prod
+      args:
+        VITE_API_URL: ${VITE_API_URL:-}
     depends_on:
       - backend
-    volumes:
-      - ./frontend/src:/app/src
+    restart: unless-stopped
 
 volumes:
   postgres_data: