Add health checks for dependent services and automate DB migrations in API Dockerfile

- Configure `healthcheck` for the PostgreSQL service in `docker-compose.yml`.
- Update service dependencies to use `condition: service_healthy` for PostgreSQL.
- Modify API Dockerfile to run `npx prisma migrate deploy` before starting the application.

apps/api/Dockerfile

@@ -44,4 +44,4 @@ ENV PORT=3000
 ENV NODE_ENV=production
 
 WORKDIR /app/apps/api
-CMD ["node", "dist/main"]
+CMD npx prisma migrate deploy && node dist/main

docker-compose.yml

@@ -11,6 +11,11 @@ services:
       - "${DB_PORT_EXTERNAL:-5433}:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d hotdesking"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
 
   api:
     build:
@@ -25,7 +30,8 @@ services:
       PORT: 3000
       JWT_SECRET: ${JWT_SECRET:-super-secret-change-me}
     depends_on:
-      - postgres
+      postgres:
+        condition: service_healthy
 
   web:
     build:
@@ -52,7 +58,8 @@ services:
     ports:
       - "5051:80"
     depends_on:
-      - postgres
+      postgres:
+        condition: service_healthy
 
 volumes:
   postgres_data: