env: add TRAEFIK_APP_NAME

.env

@@ -1,2 +1,4 @@
+TRAEFIK_APP_NAME=internal_proxy
+
 URL_DOWNLOAD=
 WEB_HOST=

docker-compose.yml

@@ -1,7 +1,8 @@
 version: "3"
 
 services:
-  internal_server:
+  server:
+    container_name: ${TRAEFIK_APP_NAME}
     image: nginx
     volumes:
       - ./nginx.conf:/etc/nginx/templates/default.conf.template
@@ -13,16 +14,15 @@ services:
       - web
     labels:
       - "traefik.enable=true"
-      - "traefik.backend=proxy"
+      - "traefik.backend=${TRAEFIK_APP_NAME}"
       - "traefik.docker.network=web"
-      - "traefik.http.routers.proxy.rule=Host(`${WEB_HOST}`)"
-      - "traefik.http.routers.proxy.entrypoints=web-secure"
-      - "traefik.http.routers.proxy.tls.certresolver=le"
+      - "traefik.http.routers.${TRAEFIK_APP_NAME}.rule=Host(`${WEB_HOST}`)"
+      - "traefik.http.routers.${TRAEFIK_APP_NAME}.entrypoints=web-secure"
+      - "traefik.http.routers.${TRAEFIK_APP_NAME}.tls.certresolver=le"
       - "traefik.port=80"
 
 networks:
   internal_network:
-    external:
-      name: internal_network
+    name: internal_network
   web:
     external: true