Dockerized everything and added CI/CD deployment

backend/docker-compose.yml

@@ -1,23 +1,81 @@
 # docker-compose.yml
 services:
-  postgres:
-    image: postgres:14
-    environment:
-      POSTGRES_USER: maia
-      POSTGRES_PASSWORD: maia
-      POSTGRES_DB: maia
-    ports:
-      - "5432:5432"
+  # ----- Backend API (Uvicorn/FastAPI/Django etc.) -----
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: MAIA-API
+    command: uvicorn main:app --host 0.0.0.0 --port 8000 --reload
     volumes:
-      - postgres_data:/var/lib/postgresql/data
-
-  redis:
-    image: redis:7
+      - .:/app
     ports:
-      - "6379:6379"
+      - "8000:8000"
+    environment:
+      - DB_URL=postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/maia
+      - REDIS_URL=redis://redis:6379/0
+    depends_on:
+      - db
+      - redis
+    networks:
+      - maia_network
+    env_file:
+      - ./.env
+    restart: unless-stopped
+
+  # ----- Celery Worker -----
+  worker:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: MAIA-Worker
+    command: celery -A core.celery_app worker --loglevel=info
+    volumes:
+      - .:/app
+    environment:
+      - DB_URL=postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/maia
+      - REDIS_URL=redis://redis:6379/0
+    depends_on:
+      - db
+      - redis
+    env_file:
+      - ./.env
+    networks:
+      - maia_network
+    restart: unless-stopped
+
+  # ----- Database (PostgreSQL) -----
+  db:
+    image: postgres:15 # Use a specific version
+    container_name: MAIA-DB
+    volumes:
+      - postgres_data:/var/lib/postgresql/data # Persist data using a named volume
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=maia
+    env_file:
+      - ./.env
+    networks:
+      - maia_network
+    restart: unless-stopped
+
+  # ----- Cache (Redis) -----
+  redis:
+    image: redis:7 # Use a specific version
+    container_name: MAIA-Redis
     volumes:
       - redis_data:/data
+    networks:
+      - maia_network
+    restart: unless-stopped
 
+# ----- Volumes Definition -----
 volumes:
-  postgres_data:
-  redis_data:
+  postgres_data: # Define the named volume for PostgreSQL
+  redis_data:    # Define the named volume for Redis
+
+# ----- Network Definition -----
+networks:
+  maia_network:   # Define a custom bridge network
+    driver: bridge