Major updates.

- upgrade docker compose to v2
- build images locally instead of pulling them from the registry
- separate php container form nginx container
- support all the php versions including php 7.0
- remove beanstalked container to be optionally added later by the user

nginx/nginx.conf

@@ -0,0 +1,29 @@
+user www-data;
+worker_processes 4;
+pid /run/nginx.pid;
+
+events {
+  worker_connections  2048;
+  multi_accept on;
+  use epoll;
+}
+
+http {
+  server_tokens off;
+  sendfile on;
+  tcp_nopush on;
+  tcp_nodelay on;
+  keepalive_timeout 15;
+  types_hash_max_size 2048;
+  include /etc/nginx/mime.types;
+  default_type application/octet-stream;
+  access_log off;
+  error_log off;
+  gzip on;
+  gzip_disable "msie6";
+  include /etc/nginx/conf.d/*.conf;
+  include /etc/nginx/sites-available/*;
+  open_file_cache max=100;
+}
+
+daemon off;