add healthcheck for postgres/redis

Author: sanderegg

services/docker-compose.yml

@@ -272,6 +272,10 @@ services:
       - default
       - interactive_services_subnet
       - computational_services_subnet
+    healthcheck:
+      test: ["CMD", "pg_isready", "-U", "${POSTGRES_USER}"]
+      interval: 15s
+      retries: 5
     # NOTES: this is not yet compatible with portainer deployment but could work also for other containers
     # works with Docker 19.03 and not yet with Portainer 1.23.0 (see https://github.com/portainer/portainer/issues/3551)
     # in the meantime postgres allows to set a configuration through CLI.
@@ -299,6 +303,11 @@ services:
     networks:
       - default
       - computational_services_subnet
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 30s
+      retries: 50
 
   traefik:
     image: traefik:v2.2.1