set healthcheck in dockerfile

Dockerfile

@@ -22,4 +22,7 @@ RUN apt-get update && \
     apt-get -y install iputils-ping nmap curl && \
     rm -rf /var/lib/apt/lists/*
 
+HEALTHCHECK --interval=10s \
+    CMD curl -fs "http://localhost:$DJANGO_PORT/health/" || exit 1
+
 CMD ["./run.sh"]

docker-compose.yml

@@ -18,9 +18,6 @@ services:
       - POSTGRES_PASSWORD=upsnap
       - PING_INTERVAL=5
       - ENABLE_NOTIFICATIONS=True
-    healthcheck:
-      test: curl --fail -s http://localhost:$DJANGO_PORT/health/ || exit 1
-      interval: 10s
     depends_on:
       - upsnap_redis
       - upsnap_postgres