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dex/Dockerfile
Lauri Võsandi 990bf2d721
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Fiddling with UID-s is none of Docker's business
2023-01-10 15:17:48 +02:00

71 lines
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Docker

ARG BASE_IMAGE=alpine
FROM golang:1.19.2-alpine3.16 AS builder
WORKDIR /usr/local/src/dex
RUN apk add --no-cache --update alpine-sdk ca-certificates openssl
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT=""
ENV GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${TARGETVARIANT}
ARG GOPROXY
COPY go.mod go.sum ./
COPY api/v2/go.mod api/v2/go.sum ./api/v2/
RUN go mod download
COPY . .
RUN make release-binary
FROM alpine:3.16.2 AS stager
RUN mkdir -p /var/dex
RUN mkdir -p /etc/dex
COPY config.docker.yaml /etc/dex/
FROM alpine:3.16.2 AS gomplate
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT
ENV GOMPLATE_VERSION=v3.11.3
RUN wget -O /usr/local/bin/gomplate \
"https://github.com/hairyhenderson/gomplate/releases/download/${GOMPLATE_VERSION}/gomplate_${TARGETOS:-linux}-${TARGETARCH:-amd64}${TARGETVARIANT}" \
&& chmod +x /usr/local/bin/gomplate
# For Dependabot to detect base image versions
FROM alpine:3.16.2 AS alpine
FROM gcr.io/distroless/static:latest AS distroless
FROM $BASE_IMAGE
# Dex connectors, such as GitHub and Google logins require root certificates.
# Proper installations should manage those certificates, but it's a bad user
# experience when this doesn't work out of the box.
#
# See https://go.dev/src/crypto/x509/root_linux.go for Go root CA bundle locations.
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=stager /var/dex /var/dex
COPY --from=stager /etc/dex /etc/dex
# Copy module files for CVE scanning / dependency analysis.
COPY --from=builder /usr/local/src/dex/go.mod /usr/local/src/dex/go.sum /usr/local/src/dex/
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/
COPY --from=builder /go/bin/dex /usr/local/bin/dex
COPY --from=builder /go/bin/docker-entrypoint /usr/local/bin/docker-entrypoint
COPY --from=builder /usr/local/src/dex/web /srv/dex/web
COPY --from=gomplate /usr/local/bin/gomplate /usr/local/bin/gomplate
ENTRYPOINT ["/usr/local/bin/docker-entrypoint"]
CMD ["dex", "serve", "/etc/dex/config.docker.yaml"]