adds reverse proxy env variable and wp-php image tag variable

.env-example

 DB_ROOT_PASSWORD=root
 DB_USER=user
 DB_USER_PASSWORD=user
-DOCKER_PREFIX=
-MOUNT_USER=
+DOCKER_PREFIX=wp
+DOCKER_IMAGE_TAG=dev
+MOUNT_USER=username
+TRAEFIK_NETWORK_NAME=traefik
 WP_ADMIN_PASSWORD=admin
 WP_ADMIN_USERNAME=admin
 WP_DEFAULT_PROTOCOL=https

create.sh

         --path=/var/www/html";
 
 echo "Connect network to traefik";
-docker network connect $DOCKER_PREFIX traefik;
+docker network connect $DOCKER_PREFIX $TRAEFIK_NETWORK_NAME;
 docker-compose up -d adminer

docker-compose.yml

       - traefik.enable=true
       - traefik.http.routers.${DOCKER_PREFIX}-adminer.entrypoints=https
       - traefik.http.routers.${DOCKER_PREFIX}-adminer.rule=Host(`${WP_URL}`) && PathPrefix(`/adminer/`)
-      - traefik.http.routers.${DOCKER_PREFIX}-adminer.tls=true
+      - traefik.http.routers.${DOCKER_PREFIX}-adminer.tls=true # remove if using LE as default TLS
       - traefik.http.services.${DOCKER_PREFIX}-adminer.loadbalancer.server.port=8080
   db:
     command: --default-authentication-plugin=mysql_native_password
       - db:/var/lib/mysql
   web:
     container_name: ${DOCKER_PREFIX}-web
-    image: wp-php7.3:dev
+    image: wp-php7.3:${DOCKER_IMAGE_TAG}
     labels:
       - traefik.enable=true
       - traefik.http.routers.${DOCKER_PREFIX}-web.entrypoints=https
       - traefik.http.routers.${DOCKER_PREFIX}-web.rule=Host(`${WP_URL}`)
-      - traefik.http.routers.${DOCKER_PREFIX}-web.tls=true
+      - traefik.http.routers.${DOCKER_PREFIX}-web.tls=true # remove if using LE as default TLS provider
       - traefik.http.services.${DOCKER_PREFIX}-web.loadbalancer.server.port=80
     volumes:
       - web:/var/www/html

purge.sh

 set +o allexport
 
 docker-compose stop
-docker network disconnect $DOCKER_PREFIX traefik
+docker network disconnect $DOCKER_PREFIX $TRAEFIK_NETWORK_NAME
 docker network rm $DOCKER_PREFIX
 docker rm $DOCKER_PREFIX-adminer
 docker rm $DOCKER_PREFIX-web