Web Redirector

A very simple container to redirect HTTP/HTTPS traffic to another server, based on nginx.

Based on project: https://github.com/schmunk42/docker-nginx-redirect

Resources

• Docker Hub
• GitHub

Configuration

Environment variables

• SERVER_ENABLE_HTTP_TRAFFIC - serve traffic in HTTP (80)
• SERVER_ENABLE_HTTPS_TRAFFIC - serve traffic in HTTPS (443)
• SERVER_SSL_CERTIFICATE_FILE_NAME - Set certificate file name. Certificate files should be mounted at /etc/ssl/certs path.
• SERVER_SSL_CERTIFICATE_KEY_NAME - Set certificate key file name. Certificate files should be mounted at /etc/ssl/certs path.
• SERVER_REDIRECT - server to redirect to, eg. www.example.com
• SERVER_NAME - optionally define the server name to listen on eg. ~^www.(?<subdomain>.+).example.com
  • useful for capturing variable to use in server_redirect.
• SERVER_REDIRECT_PATH - optionally define path to redirect all requests eg. /landingpage
  • if not set nginx var $request_uri is used
• SERVER_REDIRECT_SCHEME - optionally define scheme to redirect to
  • if not set but X-Forwarded-Proto is send as request header with value 'https' this will be used. In all other cases nginx var $scheme is used
• SERVER_REDIRECT_CODE - optionally define the http status code to use for redirection
  • if not set or not in list of allowed codes 301 is used as default
  • allowed Codes are: 301, 302, 303, 307, 308
• SERVER_REDIRECT_POST_CODE - optionally define the http code to use for POST redirection
  • useful if client should not change the request method from POST to GET
  • if not set or not in allowed Codes SERVER_REDIRECT_CODE is used
  • so per default all requests will be redirected with the same status code
• SERVER_REDIRECT_PUT_PATCH_DELETE_CODE - optionally define the http code to use for PUT, PATCH and DELETE redirection
  • useful if client should not change the request method from PUT, PATCH and DELETE to GET
  • if not set or not in allowed Codes SERVER_REDIRECT_CODE is used
  • so per default all requests will be redirected with the same status code
• SERVER_ACCESS_LOG - optionally define the location where nginx will write its access log
  • if not set /dev/stdout is used
• SERVER_ERROR_LOG - optionally define the location where nginx will write its error log
  • if not set /dev/stderr is used

See also docker-compose.yml file.

Usage

Using image from Docker Hub:

docker run -e SERVER_REDIRECT=www.example.com -p 80:80 ahabid/web-redirector:1.0
docker run -e SERVER_REDIRECT=www.example.com -e SERVER_REDIRECT_PATH=/landingpage -p 80:80 ahabid/web-redirector:1.0
docker run -e SERVER_REDIRECT=www.example.com -e SERVER_REDIRECT_PATH=/landingpage -e SERVER_REDIRECT_SCHEME=https -p 80:80 ahabid/web-redirector:1.0

Using image from GitHub:

docker run -e SERVER_REDIRECT=www.example.com -p 80:80 docker.pkg.github.com/a-h-abid/docker-web-redirector/web-redirector:1.0

For certificates usage:

docker run \
    -e SERVER_REDIRECT=www.example.com \
    -e SERVER_ENABLE_HTTPS_TRAFFIC=true \
    -e SERVER_SSL_CERTIFICATE_FILE_NAME=default.crt \
    -e SERVER_SSL_CERTIFICATE_KEY_NAME=default.key \
    -v /path/to/certs-dir:/etc/ssl/certs \
    -p 443:443 \
    ahabid/web-redirector:1.0

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License

MIT