Rewrite Body

Rewrite body is a middleware plugin for Traefik which rewrites the HTTP response body by replacing a search regex by a replacement string.

Configuration

Static

[pilot]
  token = "xxxx"

[experimental.plugins.rewritebody]
  modulename = "github.com/traefik/plugin-rewritebody"
  version = "v0.3.1"

Dynamic

To configure the Rewrite Body plugin you should create a middleware in your dynamic configuration as explained here. The following example creates and uses the rewritebody middleware plugin to replace all foo occurrences by bar in the HTTP response body.

If you want to apply some limits on the response body, you can chain this middleware plugin with the Buffering middleware from Traefik.

[http.routers]
  [http.routers.my-router]
    rule = "Host(`localhost`)"
    middlewares = ["rewrite-foo"]
    service = "my-service"

[http.middlewares]
  [http.middlewares.rewrite-foo.plugin.rewritebody]
    # Keep Last-Modified header returned by the HTTP service.
    # By default, the Last-Modified header is removed.
    lastModified = true

    # Rewrites all "foo" occurences by "bar"
    [[http.middlewares.rewrite-foo.plugin.rewritebody.rewrites]]
      regex = "foo"
      replacement = "bar"

[http.services]
  [http.services.my-service]
    [http.services.my-service.loadBalancer]
      [[http.services.my-service.loadBalancer.servers]]
        url = "http://127.0.0.1"