Here is a shell one liner using pg_isready tool provided by PostgreSQL. To call outside docker: DOCKER_CONTAINER_NAME=”mypgcontainer” timeout 90s bash -c “until docker exec $DOCKER_CONTAINER_NAME pg_isready ; do sleep 5 ; done” Based on a post from Jeroma Belleman.
This sounds somehow like a duplicate of Keycloak Docker behind loadbalancer with https fails Set the request headers X-Forwarded-For and X-Forwarded-Proto in nginx. Then you have to configure Keycloak (Wildfly, Undertow) to work together with the SSL terminating reverse proxy (aka load balancer). See http://www.keycloak.org/docs/latest/server_installation/index.html#_setting-up-a-load-balancer-or-proxy for a detailed description. The point is that nginx is … Read more