feat: optimize docker build pipeline with dockerignore, automated entrypoint migrations, and configurable compose image

docker-compose.yml

@@ -17,24 +17,16 @@ services:
       timeout: 5s
       retries: 5
 
-  migrate:
-    build: .
-    container_name: checkflow-migrate
-    depends_on:
-      postgres:
-        condition: service_healthy
-    environment:
-      DATABASE_URL: postgresql://checkflow:${POSTGRES_PASSWORD:-changeme}@postgres:5432/checkflow
-    command: npx prisma migrate deploy
-    restart: "no"
-
   app:
-    build: .
+    image: ${CHECKFLOW_IMAGE:-checkflow:latest}
+    build:
+      context: .
+      dockerfile: Dockerfile
     container_name: checkflow-app
     restart: unless-stopped
     depends_on:
-      migrate:
-        condition: service_completed_successfully
+      postgres:
+        condition: service_healthy
     ports:
       - "${PORT:-3000}:3000"
     environment:
@@ -46,4 +38,4 @@ services:
       - ./prisma:/app/prisma
 
 volumes:
-  postgres_data:
+  postgres_data: