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85 lines
2.9 KiB
85 lines
2.9 KiB
ARG BASE_IMAGE=alpine |
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FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.6.1@sha256:923441d7c25f1e2eb5789f82d987693c47b8ed987c4ab3b075d6ed2b5d6779a3 AS xx |
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FROM --platform=$BUILDPLATFORM golang:1.24.3-alpine3.20@sha256:9f98e9893fbc798c710f3432baa1e0ac6127799127c3101d2c263c3a954f0abe AS builder |
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COPY --from=xx / / |
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RUN apk add --update alpine-sdk ca-certificates openssl clang lld |
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ARG TARGETPLATFORM |
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RUN xx-apk --update add musl-dev gcc |
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# lld has issues building static binaries for ppc so prefer ld for it |
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RUN [ "$(xx-info arch)" != "ppc64le" ] || XX_CC_PREFER_LINKER=ld xx-clang --setup-target-triple |
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RUN xx-go --wrap |
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WORKDIR /usr/local/src/dex |
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ARG GOPROXY |
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ENV CGO_ENABLED=1 |
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COPY go.mod go.sum ./ |
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COPY api/v2/go.mod api/v2/go.sum ./api/v2/ |
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RUN go mod download |
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COPY . . |
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# Propagate Dex version from build args to the build environment |
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ARG VERSION |
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RUN make release-binary |
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RUN xx-verify /go/bin/dex && xx-verify /go/bin/docker-entrypoint |
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FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 AS stager |
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RUN mkdir -p /var/dex |
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RUN mkdir -p /etc/dex |
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COPY config.docker.yaml /etc/dex/ |
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FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 AS gomplate |
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ARG TARGETOS |
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ARG TARGETARCH |
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ARG TARGETVARIANT |
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ENV GOMPLATE_VERSION=v4.3.3 |
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RUN wget -O /usr/local/bin/gomplate \ |
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"https://github.com/hairyhenderson/gomplate/releases/download/${GOMPLATE_VERSION}/gomplate_${TARGETOS:-linux}-${TARGETARCH:-amd64}${TARGETVARIANT}" \ |
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&& chmod +x /usr/local/bin/gomplate |
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# For Dependabot to detect base image versions |
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FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 AS alpine |
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FROM gcr.io/distroless/static-debian12:nonroot@sha256:627d6c5a23ad24e6bdff827f16c7b60e0289029b0c79e9f7ccd54ae3279fb45f AS distroless |
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FROM $BASE_IMAGE |
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# Dex connectors, such as GitHub and Google logins require root certificates. |
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# Proper installations should manage those certificates, but it's a bad user |
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# experience when this doesn't work out of the box. |
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# |
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# See https://go.dev/src/crypto/x509/root_linux.go for Go root CA bundle locations. |
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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=stager --chown=1001:1001 /var/dex /var/dex |
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COPY --from=stager --chown=1001:1001 /etc/dex /etc/dex |
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# Copy module files for CVE scanning / dependency analysis. |
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COPY --from=builder /usr/local/src/dex/go.mod /usr/local/src/dex/go.sum /usr/local/src/dex/ |
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COPY --from=builder /usr/local/src/dex/api/v2/go.mod /usr/local/src/dex/api/v2/go.sum /usr/local/src/dex/api/v2/ |
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COPY --from=builder /go/bin/dex /usr/local/bin/dex |
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COPY --from=builder /go/bin/docker-entrypoint /usr/local/bin/docker-entrypoint |
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COPY --from=builder /usr/local/src/dex/web /srv/dex/web |
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COPY --from=gomplate /usr/local/bin/gomplate /usr/local/bin/gomplate |
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USER 1001:1001 |
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ENTRYPOINT ["/usr/local/bin/docker-entrypoint"] |
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CMD ["dex", "serve", "/etc/dex/config.docker.yaml"]
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