73 lines
2.1 KiB
Docker
73 lines
2.1 KiB
Docker
ARG BASE_IMAGE=alpine
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FROM golang:1.18.4-alpine3.15 AS builder
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WORKDIR /usr/local/src/dex
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RUN apk add --no-cache --update alpine-sdk ca-certificates openssl
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ARG TARGETOS
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ARG TARGETARCH
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ARG TARGETVARIANT=""
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ENV GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${TARGETVARIANT}
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ARG GOPROXY
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COPY go.mod go.sum ./
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COPY api/v2/go.mod api/v2/go.sum ./api/v2/
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RUN go mod download
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COPY . .
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RUN make release-binary
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FROM alpine:3.16.2 AS stager
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RUN mkdir -p /var/dex
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RUN mkdir -p /etc/dex
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COPY config.docker.yaml /etc/dex/
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FROM alpine:3.16.2 AS gomplate
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ARG TARGETOS
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ARG TARGETARCH
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ARG TARGETVARIANT
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ENV GOMPLATE_VERSION=v3.11.2
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RUN wget -O /usr/local/bin/gomplate \
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"https://github.com/hairyhenderson/gomplate/releases/download/${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:3.16.2 AS alpine
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FROM gcr.io/distroless/static:latest 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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