new: allow to change server db docker run param and connection check command !api

bin/compose-core

@@ -758,7 +758,7 @@ ensure_db_docker_running () {
             docker pull "$DOCKER_BASE_IMAGE"
         fi
 
-        docker_opts=
+        _set_server_db_params
         debug docker network create "$_DB_NAME"
         if ! network_id=$(docker network create "$_DB_NAME"); then
             err "'docker network create $_DB_NAME' failed !"
@@ -768,14 +768,14 @@ ensure_db_docker_running () {
         fi
         debug docker run -d \
               --name "$_DB_NAME" \
-              $docker_opts \
+              "${server_docker_opts[@]}" \
               --network "$_DB_NAME" \
               -v "$host_db_working_dir:$DB_DATADIR" \
               "$DOCKER_BASE_IMAGE"
         if ! container_id=$(
                 docker run -d \
                        --name "$_DB_NAME" \
-                       $docker_opts \
+                       "${server_docker_opts[@]}" \
                        --network "$_DB_NAME" \
                        -v "$host_db_working_dir:$DB_DATADIR" \
                        "$DOCKER_BASE_IMAGE"
@@ -934,13 +934,15 @@ wait_for_docker_ip() {
         [ "$type" == "tcp" ] || continue
         wait_for_tcp_port "$DOCKER_NETWORK" "$DOCKER_IP:${port}" || return 17
         info "Host/Port $DOCKER_IP:${port} checked ${GREEN}open${NORMAL}."
+        ## XXXvlab: what to do with more than one port ?
+        break
     done < <(image_exposed_ports_0 "$container_id")
 
     ## Checking direct connection
     timeout=30
     start=$SECONDS
     while true; do
-        if err=$(echo "SELECT 1;" | ddb 2>&1 >/dev/null); then
+        if err=$(echo "$check_command" | ddb 2>&1 >/dev/null); then
             break
         fi
         if ! [[ "$err" == *"the database system is starting up" ]]; then