MySQL running on host.

entrypoint.sh

@@ -24,9 +24,10 @@ if [ -n "$MYSQL_HOST" ]; then
     if [ $counter -eq $MYSQL_TIMEOUT ]; then
         echo "ERROR: MySQL at $MYSQL_HOST:$MYSQL_PORT did not become ready within ${MYSQL_TIMEOUT} seconds"
         echo "Please check that:"
-        echo "  - MySQL container is running"
-        echo "  - Both containers are on the same Docker network"
+        echo "  - MySQL server is running on the host"
+        echo "  - MySQL is listening on port $MYSQL_PORT"
         echo "  - MYSQL_HOST environment variable is correctly set"
+        echo "  - Firewall allows connection to MySQL port"
         exit 1
     fi