Add health-check for celery worker (apache#14522)

Co-authored-by: Kamil Breguła <[email protected]>
VladaZakharova · Feb 28, 2021 · fff3444 · fff3444
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diff --git a/docs/apache-airflow/start/docker-compose.yaml b/docs/apache-airflow/start/docker-compose.yaml
@@ -107,6 +107,13 @@ services:
   airflow-worker:
     <<: *airflow-common
     command: celery worker
+    healthcheck:
+      test:
+        - "CMD-SHELL"
+        - 'celery --app airflow.executors.celery_executor.app inspect ping -d "celery@$${HOSTNAME}"'
+      interval: 10s
+      timeout: 10s
+      retries: 5
     restart: always
 
   airflow-init:

diff --git a/docs/apache-airflow/start/docker.rst b/docs/apache-airflow/start/docker.rst
@@ -104,7 +104,7 @@ In the second terminal you can check the condition of the containers and make su
 
     $ docker ps
     CONTAINER ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                              NAMES
-    247ebe6cf87a   apache/airflow:master-python3.8   "/usr/bin/dumb-init …"   3 minutes ago    Up 3 minutes              8080/tcp                           compose_airflow-worker_1
+    247ebe6cf87a   apache/airflow:master-python3.8   "/usr/bin/dumb-init …"   3 minutes ago    Up 3 minutes (healthy)    8080/tcp                           compose_airflow-worker_1
     ed9b09fc84b1   apache/airflow:master-python3.8   "/usr/bin/dumb-init …"   3 minutes ago    Up 3 minutes              8080/tcp                           compose_airflow-scheduler_1
     65ac1da2c219   apache/airflow:master-python3.8   "/usr/bin/dumb-init …"   3 minutes ago    Up 3 minutes (healthy)    0.0.0.0:5555->5555/tcp, 8080/tcp   compose_flower_1
     7cb1fb603a98   apache/airflow:master-python3.8   "/usr/bin/dumb-init …"   3 minutes ago    Up 3 minutes (healthy)    0.0.0.0:8080->8080/tcp             compose_airflow-webserver_1