Shorten container names

docker-compose.prod.yml

@@ -11,6 +11,7 @@ services:
         max-file: "10"
     restart: unless-stopped
   nginx-proxy:
+    container_name: nginx-proxy
     image: jwilder/nginx-proxy
     labels:
       - "com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy=true"
@@ -30,6 +31,7 @@ services:
       - html:/usr/share/nginx/html
       - vhost.d:/etc/nginx/vhost.d
   letsencrypt-nginx-proxy-companion:
+    container_name: nginx-proxy-le
     image: jrcs/letsencrypt-nginx-proxy-companion
     depends_on:
       - nginx-proxy

docker-compose.yml

@@ -1,10 +1,12 @@
 version: '3'
 services:
   db:
+    container_name: db
     image: postgres:11
     volumes:
       - data:/var/lib/postgresql/data
   web:
+    container_name: app
     command: bundle exec unicorn -c config/unicorn.rb
     entrypoint: bin/wait-for-it.sh db:5432 -s --
     environment: