/cors-reverse-proxy

Simple reverse proxy for CORS issue.

Primary LanguageGoMIT LicenseMIT

CORS Reverse Proxy

ReleaseStatus GitHub release Docker Pulls Go Report Card

Simple reverse proxy for CORS issue.

... has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

Use Case

  • Local development
  • When you want to trust the resources of a other container
    • ex. minio, draw.io, piwigo etc ...

Usage

docker pull kaishuu0123/cors-reverse-proxy

docker run -it -d \
  -e CORS_REVERSE_PROXY_TARGET_URL=http://example.com \
  -e CORS_REVERSE_PROXY_HOST=0.0.0.0 \
  -p 8181:8081 \
  --name cors-reverse-proxy \
  kaishuu0123/cors-reverse-proxy

or

go build

./cors-reverse-proxy \
  --target-url http://example.com/ \
  --host 0.0.0.0
  --port 8888

Command Line Options & Environment Variables

CLI Option(Long) Shorthand Environment Variables Example Default
--target-url -t CORS_REVERSE_PROXY_TARGET_URL http://example.com/
--host -h CORS_REVERSE_PROXY_HOST 0.0.0.0 localhost
--port -p CORS_REVERSE_PROXY_PORT 8888 8081
--origin -o CORS_REVERSE_PROXY_ORIGIN http://example.com/ *
Inspired by: https://github.com/LordotU/local-cors-proxy-go/