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oauth2-proxy/Dockerfile.arm64

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FROM golang:1.14-buster AS builder
# Download tools
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RUN curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.24.0
# Copy sources
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WORKDIR $GOPATH/src/github.com/oauth2-proxy/oauth2-proxy
# Fetch dependencies
COPY go.mod go.sum ./
RUN GO111MODULE=on go mod download
# Now pull in our code
COPY . .
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# Build binary and make sure there is at least an empty key file.
# This is useful for GCP App Engine custom runtime builds, because
# you cannot use multiline variables in their app.yaml, so you have to
# build the key into the container and then tell it where it is
# by setting OAUTH2_PROXY_JWT_KEY_FILE=/etc/ssl/private/jwt_signing_key.pem
# in app.yaml instead.
RUN ./configure && GOARCH=arm64 make build && touch jwt_signing_key.pem
# Copy binary to alpine
FROM arm64v8/alpine:3.11
COPY nsswitch.conf /etc/nsswitch.conf
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
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COPY --from=builder /go/src/github.com/oauth2-proxy/oauth2-proxy/oauth2-proxy /bin/oauth2-proxy
COPY --from=builder /go/src/github.com/oauth2-proxy/oauth2-proxy/jwt_signing_key.pem /etc/ssl/private/jwt_signing_key.pem
USER 2000:2000
Potentially breaking change: docker user & group Run as non-root user and group In the unlikely event that you are currently persisting data to disk then this change may break file read/write access due to a change in the UID/GID that the oauth2_proxy process runs as. Run as non-root system user and group `oauth2proxy` with UID/GID `2000` to avoid clashing with typical local users. An alternative to creating a separate user is to ~~chown binary and~~ run as `USER nobody`, which also works, can amend this PR if required. Least access privileges. Close: https://github.com/pusher/oauth2_proxy/issues/78 Locally with Docker (`-version`): ``` $ ps aux | grep oauth2 2000 25192 6.0 0.0 0 0 ? Ds 15:53 0:00 [oauth2_proxy] ``` Running in Kubernetes 1.13 with the following also specified: ``` securityContext: readOnlyRootFilesystem: true runAsNonRoot: true runAsUser: 10001 ``` ``` $ kubectl exec -it -n oauth2-proxy oauth2-proxy-85c9f58ffc-dz9lr sh /opt $ whoami whoami: unknown uid 10001 /opt $ ps aux PID USER TIME COMMAND 1 10001 0:00 /opt/oauth2_proxy --whitelist-domain=.example.com --cookie-domain=example.com --email-domain=example.com --upstream=file:///dev/null --http-address=0.0.0.0:4180 11 10001 0:00 sh 17 10001 0:00 ps aux ``` <!--- Go over all the following points, and put an `x` in all the boxes that apply. --> <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> - [x] My change requires a change to the documentation or CHANGELOG. - [x] I have updated the documentation/CHANGELOG accordingly. - [x] I have created a feature (non-master) branch for my PR.
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ENTRYPOINT ["/bin/oauth2-proxy"]