init

Dockerfile

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+FROM alpine:latest AS builder
+
+RUN apk update && apk upgrade && \
+    apk add --no-cache go git
+
+WORKDIR /
+RUN git clone "https://github.com/jpillora/chisel"
+WORKDIR /chisel
+RUN go build -o chisel main.go
+
+FROM alpine:latest
+
+RUN apk update && apk upgrade && \
+    apk add --no-cache socat bash
+
+COPY --from=builder /chisel/chisel /usr/bin/chisel
+COPY ./entrypoint.sh /entrypoint.sh
+CMD ["/bin/bash", "/entrypoint.sh"]

README.md

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+# Chisel Forward
+This container allows to forward a local port to a remote system running chisel server.
+
+# TODO
+- Load Balancing
+- Error Handling
+- UDP
+
+## Configuration
+The container is configured through environment variables:
+- `$HOST`: The host running chisel server
+- `$LOCAL_PORT`: The local port to forward
+- `$LOCAL_HOST`: The local host address
+- `$REMOTE_PORT`: The remote port to expose the forward on
+- `$USER`: Authentication User
+- `$TOKEN`: Authentication Token

docker-compose.yml

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+services:
+  forward:
+    build: .
+    restart: unless-stopped
+    environment:
+      HOST: "https://chisel.example.com"
+      LOCAL_PORT: "8080"
+      REMOTE_PORT: "8080"
+      USER: "user"
+      TOKEN: "token"

entrypoint.sh

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+#!/bin/bash
+
+socat TCP4-LISTEN:$LOCAL_PORT,fork,reuseaddr TCP4:TCP4:$LOCAL_HOST:$LOCAL_PORT &
+chisel client --auth "$USER:$TOKEN" "$HOST" "R:$LOCAL_HOST:$LOCAL_PORT:127.0.0.1:$REMOTE_PORT" &
+wait