default.conf.template

proxy_cache_path /cache/metadata levels=1:2 keys_zone=metadata:512m use_temp_path=off inactive=${CACHE_EXPIRE} max_size=${CACHE_SIZE_METADATA};
proxy_cache_path /cache/default levels=1:2 keys_zone=default:512m use_temp_path=off inactive=${CACHE_EXPIRE} max_size=${CACHE_SIZE_ARTIFACT};
proxy_cache_key "$scheme$request_method$request_uri";

# artifact metadata goes into a dedicated cache fed by a dedicated thread pool
map $request_uri $cache {
  ~\.asc$   metadata;
  ~\.pom$   metadata;
  ~\.md5$   metadata;
  ~\.sha1$  metadata;

  default default;
}

# try to exclude files not related to artifacts
map $request_uri $skip_cache {
  ~maven-metadata\.xml$ 1;
  ~maven-metadata\.xml\.md5$ 1;
  ~maven-metadata\.xml\.sha1$ 1;
  ~archetype-catalog\.xml$ 1;
  ~archetype-catalog\.xml\.md5$ 1;
  ~archetype-catalog\.xml\.sha1$ 1;

  # folder starting with a dot are suspicious...
  ~/\..* 1;

  default 0;
}

upstream backend_jenkins {
  server repo.jenkins-ci.org:80 max_fails=4;
  server repo.jenkins-ci.org:80 max_fails=4;
  server repo.jenkins-ci.org:80 max_fails=4;
  server repo.jenkins-ci.org:80 max_fails=4;
  least_conn;
  zone backend_jenkins 64k;
  keepalive 32;
}

upstream backend_central {
  server repo.maven.apache.org:80 max_fails=4;
  server repo.maven.apache.org:80 max_fails=4;
  server repo.maven.apache.org:80 max_fails=4;
  server repo.maven.apache.org:80 max_fails=4;
  least_conn;
  zone backend_central 64k;
  keepalive 32;
}

server {
  # Note that it's listening on port 80
  listen 80 default_server fastopen=256;

  location / {
      root   /usr/share/nginx/html;
      index  index.html index.htm;
  }

  error_page   500 502 503 504  /50x.html;
  location = /50x.html {
      root   /usr/share/nginx/html;
  }

  aio threads=$cache;

  proxy_cache_valid ${CACHE_EXPIRE};
  proxy_cache_valid 404 1m;
  proxy_cache_lock on;

  proxy_ignore_client_abort on;

  proxy_redirect / /;
  proxy_pass_request_headers off;
  proxy_pass_request_body off;
  proxy_no_cache $skip_cache;

  gzip on;
  gzip_proxied any;
  gzip_types application/xml application/x-maven-pom+xml;
  gzip_min_length 1500;

  location /mirrors/central {
    proxy_cache $cache;
    proxy_pass http://backend_central/maven2;
    proxy_set_header Host "repo.maven.apache.org";
    proxy_set_header Connection "";
    proxy_http_version 1.1;
  }

  location /mirrors/jenkins {
    proxy_cache $cache;
    proxy_pass http://backend_jenkins/public;
    proxy_set_header Host "repo.jenkins-ci.org";
    proxy_set_header Connection "";
    proxy_http_version 1.1;
  }
}