nginx.template.conf

# Slightly modified /etc/nginx/nginx.conf.
# Changes:
# - Removed `user` directive, as we cannot switch user on Heroku.
# - Removed some optional, disabled-by-default configuration.
# - Enabled gzip.
# - Entered details for our server.
# - Added `daemon off` directive.

daemon off;

# Set number of worker processes automatically based on number of CPU cores.
worker_processes auto;

# Enables the use of JIT for regular expressions to speed-up their processing.
pcre_jit on;

# Configures default error logger.
error_log /var/log/nginx/error.log warn;

# Includes files with directives to load dynamic modules.
include /etc/nginx/modules/*.conf;

events {
  # The maximum number of simultaneous connections that can be opened by
  # a worker process.
  worker_connections 1024;
}

http {
  # Includes mapping of file name extensions to MIME types of responses
  # and defines the default type.
  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  # Name servers used to resolve names of upstream servers into addresses.
  # It's also needed when using tcpsocket and udpsocket in Lua modules.
  #resolver 208.67.222.222 208.67.220.220;

  # Don't tell nginx version to clients.
  server_tokens off;

  # Specifies the maximum accepted body size of a client request, as
  # indicated by the request header Content-Length. If the stated content
  # length is greater than this size, then the client receives the HTTP
  # error code 413. Set to 0 to disable.
  client_max_body_size 1m;

  # Timeout for keep-alive connections. Server will close connections after
  # this time.
  keepalive_timeout 65;

  # Sendfile copies data between one FD and other from within the kernel,
  # which is more efficient than read() + write().
  sendfile on;

  # Don't buffer data-sends (disable Nagle algorithm).
  # Good for sending frequent small bursts of data in real time.
  tcp_nodelay on;

  # Enable gzipping of responses.
  gzip on;

  # Set the Vary HTTP header as defined in the RFC 2616.
  gzip_vary on;

  # Specifies the main log format.
  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

  # Sets the path, format, and configuration for a buffered log write.
  access_log /var/log/nginx/access.log main;

  # Our virtualenv.
  server {
    listen ${PORT};

    location / {
      root /app/frontend/build;
      index index.html;
      try_files $uri $uri/ $uri/index.html /index.html =404;
    }

    location /api {
      proxy_pass http://127.0.0.1:2000;
      proxy_redirect off;
    }
  }
}