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tailscale/Dockerfile

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Docker

# Copyright (c) Tailscale Inc & AUTHORS
# SPDX-License-Identifier: BSD-3-Clause
# Note that this Dockerfile is currently NOT used to build any of the published
# Tailscale container images and may have drifted from the image build mechanism
# we use.
# Tailscale images are currently built using https://github.com/tailscale/mkctr,
# and the build script can be found in ./build_docker.sh.
#
#
# This Dockerfile includes all the tailscale binaries.
#
# To build the Dockerfile:
#
# $ docker build -t tailscale/tailscale .
#
# To run the tailscaled agent:
#
# $ docker run -d --name=tailscaled -v /var/lib:/var/lib -v /dev/net/tun:/dev/net/tun --network=host --privileged tailscale/tailscale tailscaled
#
# To then log in:
#
# $ docker exec tailscaled tailscale up
#
# To see status:
#
# $ docker exec tailscaled tailscale status
FROM golang:1.23-alpine AS build-env
WORKDIR /go/src/tailscale
COPY go.mod go.sum ./
RUN go mod download
# Pre-build some stuff before the following COPY line invalidates the Docker cache.
RUN go install \
github.com/aws/aws-sdk-go-v2/aws \
github.com/aws/aws-sdk-go-v2/config \
gvisor.dev/gvisor/pkg/tcpip/adapters/gonet \
gvisor.dev/gvisor/pkg/tcpip/stack \
golang.org/x/crypto/ssh \
golang.org/x/crypto/acme \
github.com/coder/websocket \
github.com/mdlayher/netlink
COPY . .
# see build_docker.sh
ARG VERSION_LONG=""
ENV VERSION_LONG=$VERSION_LONG
ARG VERSION_SHORT=""
ENV VERSION_SHORT=$VERSION_SHORT
ARG VERSION_GIT_HASH=""
ENV VERSION_GIT_HASH=$VERSION_GIT_HASH
ARG TARGETARCH
RUN GOARCH=$TARGETARCH go install -ldflags="\
-X tailscale.com/version.longStamp=$VERSION_LONG \
-X tailscale.com/version.shortStamp=$VERSION_SHORT \
-X tailscale.com/version.gitCommitStamp=$VERSION_GIT_HASH" \
-v ./cmd/tailscale ./cmd/tailscaled ./cmd/containerboot
FROM alpine:3.18
RUN apk add --no-cache ca-certificates iptables iproute2 ip6tables
COPY --from=build-env /go/bin/* /usr/local/bin/
# For compat with the previous run.sh, although ideally you should be
# using build_docker.sh which sets an entrypoint for the image.
RUN mkdir /tailscale && ln -s /usr/local/bin/containerboot /tailscale/run.sh