Akihiro Suda e942084530 build: add SSH agent socket forwarder (`docker build --ssh $SSHMOUNTID=$SSH_AUTH_SOCK`) ... Unlike `docker build --secret`, `docker build --ssh` allows the build container to use SSH keys with passphrases. $ eval $(ssh-agent) $ ssh-add ~/.ssh/id_rsa (Input your passphrase here) $ docker build --ssh default=$SSH_AUTH_SOCK ... This feature requires the daemon with `CapExecMountSSH` build capability (moby/moby#37973) . Currently, the official Dockerfile frontend does not provide the syntax for using the SSH forwarder. However, the experimental `RUN --mount=type=ssh` syntax can be enabled by using the Dockerfile frontend image built with the `BUILDTAGS="dfrunmount dfssh"`, via the `# syntax =` "shebang". The Dockerfile for the Dockerfile frontend is available at github.com/moby/buildkit/frontend/dockerfile/cmd/dockerfile-frontend) The pre-built image is also available as `tonistiigi/dockerfile:ssh20181002` . An example Dockerfile with `RUN --mount=type=ssh`: # syntax = tonistiigi/dockerfile:ssh20181002 FROM alpine RUN apk add --no-cache openssh-client RUN mkdir -p -m 0700 ~/.ssh && ssh-keyscan gitlab.com >> ~/.ssh/known_hosts RUN --mount=type=ssh ssh git@gitlab.com | tee /hello # "Welcome to GitLab, @GITLAB_USERNAME_ASSOCIATED_WITH_SSHKEY" should be printed here More info available at moby/buildkit#608, moby/buildkit#655 Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp> (cherry picked from commit db7399a016) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>		2018-10-12 00:16:42 +02:00
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x	build: add SSH agent socket forwarder (`docker build --ssh $SSHMOUNTID=$SSH_AUTH_SOCK`)	2018-10-12 00:16:42 +02:00