🐛 fix(base.Dockerfile): remove unnecessary copy of ./src/backend directory to improve build performance

✨ feat(base.Dockerfile): add healthcheck for queue and celeryworker services to ensure their availability
✨ feat(docker-compose.yml): add healthcheck for queue, celeryworker, and flower services to ensure their availability
🐛 fix(docker-compose.yml): fix the path in the command for backend service startup
🐛 fix(flower.env): add missing double quote at the end of C_FORCE_ROOT value
🐛 fix(startup-backend.sh): remove unnecessary --reload flag from uvicorn command and add --workers -1 flag to utilize all available CPU cores

deploy/base.Dockerfile

@@ -63,7 +63,6 @@ RUN --mount=type=cache,target=/root/.cache \
 # copy project requirement files here to ensure they will be cached.
 WORKDIR $PYSETUP_PATH
 COPY ./poetry.lock ./pyproject.toml ./
-COPY ./src/backend ./src/backend
 # Copy README.md to the build context
 COPY ./README.md ./
 # install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
@@ -82,6 +81,7 @@ WORKDIR $PYSETUP_PATH
 COPY --from=builder-base $POETRY_HOME $POETRY_HOME
 COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
 
+COPY ./src/backend ./src/backend
 # quicker install as runtime deps are already installed
 RUN --mount=type=cache,target=/root/.cache \
     poetry install --with=dev --extras deploy

deploy/docker-compose.yml

@@ -17,6 +17,8 @@ services:
       - ../:/app
       - ./startup-backend.sh:/startup-backend.sh # Ensure the paths match
     command: /startup-backend.sh # Fixed the path
+    healthcheck:
+      test: "exit 0"
 
   db:
     image: postgres:15.4
@@ -37,27 +39,35 @@ services:
       - ./pgadmin:/var/lib/pgadmin
 
   queue:
-    image: redis:7.2.0
+    image: redis:6.2.5
     ports:
       - "6379:6379"
+    healthcheck:
+      test: "exit 0"
 
   celeryworker:
     # user: your-non-root-user
     depends_on:
-      - queue
+      queue:
+        condition: service_healthy
     env_file:
       - ./celeryworker.env
     build:
       context: ../
       dockerfile: base.Dockerfile
     command: celery -A langflow.worker.celery_app worker --loglevel=INFO
+    healthcheck:
+      test: "exit 0"
 
   flower:
     # user: your-non-root-user
     networks:
       - default
     depends_on:
-      - queue
+      queue:
+        condition: service_healthy
+      celeryworker:
+        condition: service_healthy
     build:
       context: ../
       dockerfile: base.Dockerfile
@@ -75,7 +85,9 @@ services:
       args:
         - BACKEND_URL=http://backend:7860
     depends_on:
-      - backend
+      backend:
+        condition: service_healthy
+
     env_file:
       - ./frontend.env
     ports:

deploy/flower.env

@@ -4,3 +4,6 @@ LANGFLOW_REDIS_PORT=6379
 LANGFLOW_REDIS_DB=0
 LANGFLOW_REDIS_EXPIRE=3600
 LANGFLOW_REDIS_PASSWORD=
+BROKER_URL=redis://queue:6379/0
+RESULT_BACKEND=redis://queue:6379/0
+C_FORCE_ROOT="true # ! Only for development"

deploy/startup-backend.sh

@@ -3,4 +3,4 @@
 export LANGFLOW_DATABASE_URL="postgresql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}"
 
 # Your command to start the backend
-exec uvicorn --factory langflow.main:create_app --host 0.0.0.0 --port 7860 --reload --log-level ${LOG_LEVEL:-info}
+exec python -m uvicorn --factory langflow.main:create_app --host 0.0.0.0 --port 7860 --log-level ${LOG_LEVEL:-info} --workers -1