fix phpmyadmin network error

caddy/Dockerfile

@@ -13,7 +13,7 @@ RUN curl --silent --show-error --fail --location \
 COPY Caddyfile /etc/Caddyfile
 
 WORKDIR /var/www
-RUN mkdir -f /var/www/public/storage
+RUN mkdir -p /var/www/public/storage
 RUN ln -sf /var/www/storage/app/public /var/www/public/storage
 
 CMD ["/usr/bin/caddy", "--conf", "/etc/Caddyfile", "--log", "stdout"]

docker-prod.yml

@@ -77,6 +77,9 @@ services:
     environment:
       PMA_HOST: mysql
       MYSQL_ROOT_PASSWORD: root
+    networks:
+      - frontend
+      - backend
 
 volumes:
   dbdata: