Basic nginx configuration for a caching proxy for ghost blogging, designed for use in Docker

nginx-ghost.conf

server {
  listen 80 default_server;
  
  proxy_set_header Host $http_host;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_set_header X-Forwarded-Proto $scheme;

  location ~* \.(jpg|jpeg|svg|png|gif|ico|css|js|eot|woff)$ {
    proxy_cache GHOST;
    proxy_cache_valid 200 1d;
    proxy_cache_valid 404 5m;
    proxy_ignore_headers "Cache-Control";
    access_log off;
    expires 1d;
    proxy_pass http://ghost_blog;
  }

  location ~ ^/(?:ghost) {
    expires 0;
    add_header Cache-Control "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0";
    proxy_pass http://ghost_blog;
  }

  location ~ ^/(?:p/) {
    expires 0;
    add_header Cache-Control "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0";
    proxy_pass http://ghost_blog;
  }

  location / {
    proxy_cache GHOST;
    proxy_cache_valid 200 1h;
    proxy_cache_valid 404 5m;
    proxy_ignore_headers "Set-Cookie";
    proxy_hide_header "Set-Cookie";
    proxy_ignore_headers "Cache-Control";
    proxy_hide_header "Cache-Control";
    proxy_hide_header "Etag";
    expires 30m;
    proxy_pass http://ghost_blog;
  }
}

nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
  worker_connections  1024;
}

http {
  include       /etc/nginx/mime.types;
  default_type  application/octet-stream;

  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

  access_log  /var/log/nginx/access.log  main;

  sendfile        off;

  keepalive_timeout  65;

  gzip on;
  gzip_disable "MSIE [1-6]\.";

  gzip_vary on;
  gzip_proxied any;
  gzip_comp_level 6;
  gzip_min_length 1000;
  gzip_buffers 16 128k;
  gzip_http_version 1.0;
  gzip_types image/svg+xml text/plain text/css application/json application/x-javascript application/javascript text/xml application/xml application/xml+rss text/javascript text/x-component font/truetype font/opentype;

  proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=GHOST:100m inactive=24h max_size=2g;
  proxy_cache_key "$scheme$host$request_uri";
  proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504;
  proxy_http_version 1.1;
  add_header X-Cache $upstream_cache_status;

  upstream ghost_blog {
    server ghost:2368;
  }

  include /etc/nginx/server-*.conf;
}