Cloudflare Tunnel Docker File

Cloudflare Tunnel Dockerfile

FROM alpine:latest

# Config
ENV GO111MODULE=on
ENV CGO_ENABLED=0
ARG GOOS="linux"
ARG GOARCH="arm64"

# Install
RUN apk --update --no-cache add git
RUN apk --update --no-cache add go

# Setup Go
ENV GO_VERSION=1.22.3
ENV GO_DOWNLOAD_URL=https://golang.org/dl/go$GO_VERSION.linux-amd64.tar.gz
ENV GO_INSTALL_DIR=/usr/local/go
RUN apk update && \
    apk add --no-cache bash curl gcc musl-dev openssl
RUN curl -Lo go.tgz $GO_DOWNLOAD_URL && \
    tar -C /usr/local -xzf go.tgz && \
    rm go.tgz
ENV PATH=$GO_INSTALL_DIR/bin:$PATH
RUN mkdir -p ${GOPATH}/src ${GOPATH}/bin

# Pull And Build Cloudflared
WORKDIR /src
RUN git clone https://github.com/cloudflare/cloudflared
WORKDIR /src/cloudflared
RUN VERSION=$(git describe --tags --always --match "[0-9][0-9][0-9][0-9].*.*"); \
GOOS=GOOS GOARCH=GOARCH CGO_ENABLED=0 \
go build -v -mod=vendor -ldflags="-X main.Version=$VERSION" github.com/cloudflare/cloudflared/cmd/cloudflared

# Setup User
ARG GROUP_NAME="nonsudo"
ARG USERNAME="nonsudo"
RUN addgroup $GROUP_NAME
RUN adduser -s /bin/bash -h /home/$USERNAME -D --uid 33333 --ingroup $GROUP_NAME $USERNAME
USER $USERNAME

ENTRYPOINT [ "/src/cloudflared/cloudflared" , "--no-autoupdate" ]

dockerBuild.sh

#!/bin/bash
sudo docker build --no-cache -t "cloudflared" .

dockerRun.sh

#!/bin/bash
APP_NAME="cloudflared"
TOKEN="asdfasdfasdfsadfasdfasdfasdf"
sudo docker rm $APP_NAME -f || echo "failed to remove existing $APP_NAME server"
id=$(sudo docker run -dit --restart='always' \
--name $APP_NAME \
--net="host" \
$APP_NAME tunnel run --token=$TOKEN --protocol=http2)
echo "ID = $id"
sudo docker logs -f "$id"