mirror of
https://github.com/oauth2-proxy/oauth2-proxy.git
synced 2024-11-28 09:08:44 +02:00
3fc194ee72
"go mod download" does not depend on the VERSION env var, so moving the ARG directive after the RUN will allow better use of the Docker build cache - subsequent builds on the same machine need only re-run the "go mod download" if go.mod or go.sum has changed, rather than re-running it any time the VERSION value passed from the Makefile has changed Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
33 lines
1.1 KiB
Docker
33 lines
1.1 KiB
Docker
FROM golang:1.16-buster AS builder
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# Copy sources
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WORKDIR $GOPATH/src/github.com/oauth2-proxy/oauth2-proxy
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# Fetch dependencies
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COPY go.mod go.sum ./
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RUN GO111MODULE=on go mod download
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# Now pull in our code
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COPY . .
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ARG VERSION
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# Build binary and make sure there is at least an empty key file.
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# This is useful for GCP App Engine custom runtime builds, because
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# you cannot use multiline variables in their app.yaml, so you have to
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# build the key into the container and then tell it where it is
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# by setting OAUTH2_PROXY_JWT_KEY_FILE=/etc/ssl/private/jwt_signing_key.pem
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# in app.yaml instead.
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RUN VERSION=${VERSION} GOARCH=arm64 make build && touch jwt_signing_key.pem
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# Copy binary to alpine
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FROM arm64v8/alpine:3.13
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COPY nsswitch.conf /etc/nsswitch.conf
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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
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COPY --from=builder /go/src/github.com/oauth2-proxy/oauth2-proxy/jwt_signing_key.pem /etc/ssl/private/jwt_signing_key.pem
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USER 2000:2000
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ENTRYPOINT ["/bin/oauth2-proxy"]
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