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enhancement: Change base image from alpine to distroless (#2295)
* Changed base image from alpine to distroless * chore: updated Makefile * fix: removed arm/v6 and ppc64le for distroless variant * Update Dockerfile * Update Makefile * docs: Add README-section, CHANGELOG-entry and --pull to prevent caching --------- Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
This commit is contained in:
Koen van Zuijlen
GitHub
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c7185e7005
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@ -22,6 +22,7 @@
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- [#2299](https://github.com/oauth2-proxy/oauth2-proxy/pull/2299) bugfix: OIDCConfig based providers are not respecting flags and configs (@tuunit)
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- [#2248](https://github.com/oauth2-proxy/oauth2-proxy/pull/2248) Added support for semicolons in query strings. (@timwsuqld)
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- [#2196](https://github.com/oauth2-proxy/oauth2-proxy/pull/2196) Add GitHub groups (orgs/teams) support. Including `X-Forwarded-Groups` header (@tuunit)
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- [#2295](https://github.com/oauth2-proxy/oauth2-proxy/pull/2295) Change base-image to [GoogleContainerTools/distroless](https://github.com/GoogleContainerTools/distroless) (@kvanzuijlen)
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- [#2356](https://github.com/oauth2-proxy/oauth2-proxy/pull/2356) Update go-jose dependency (@dasvh)
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- [#2357](https://github.com/oauth2-proxy/oauth2-proxy/pull/2357) Update ojg to latest release (@bitfehler)
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@ -1,5 +1,5 @@
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# This ARG has to be at the top, otherwise the docker daemon does not known what to do with FROM ${RUNTIME_IMAGE}
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ARG RUNTIME_IMAGE=docker.io/library/alpine:3.18
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ARG RUNTIME_IMAGE=gcr.io/distroless/static:nonroot
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# All builds should be done using the platform native to the build node to allow
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# cache sharing of the go mod download step.
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@ -43,13 +43,10 @@ RUN case ${TARGETPLATFORM} in \
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printf "Building OAuth2 Proxy for arch ${GOARCH}\n" && \
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GOARCH=${GOARCH} VERSION=${VERSION} make build && touch jwt_signing_key.pem
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# Copy binary to alpine
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# Copy binary to runtime image
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FROM ${RUNTIME_IMAGE}
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COPY nsswitch.conf /etc/nsswitch.conf
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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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# UID/GID 65532 is also known as nonroot user in distroless image
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USER 65532:65532
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ENTRYPOINT ["/bin/oauth2-proxy"]
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50
Makefile
50
Makefile
@ -4,7 +4,9 @@ GOLANGCILINT ?= golangci-lint
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BINARY := oauth2-proxy
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VERSION ?= $(shell git describe --always --dirty --tags 2>/dev/null || echo "undefined")
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# Allow to override image registry.
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REGISTRY ?= quay.io/oauth2-proxy
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REGISTRY ?= quay.io/oauth2-proxy
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REPOSITORY ?= oauth2-proxy
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DATE := $(shell date +"%Y%m%d")
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.NOTPARALLEL:
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@ -40,45 +42,55 @@ build: validate-go-version clean $(BINARY)
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$(BINARY):
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CGO_ENABLED=0 $(GO) build -a -installsuffix cgo -ldflags="-X main.VERSION=${VERSION}" -o $@ github.com/oauth2-proxy/oauth2-proxy/v7
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DOCKER_BUILD_PLATFORM ?= linux/amd64,linux/arm64,linux/ppc64le,linux/arm/v6,linux/arm/v7
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DOCKER_BUILD_RUNTIME_IMAGE ?= alpine:3.18
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DOCKER_BUILDX_ARGS ?= --build-arg RUNTIME_IMAGE=${DOCKER_BUILD_RUNTIME_IMAGE}
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DOCKER_BUILDX := docker buildx build ${DOCKER_BUILDX_ARGS} --build-arg VERSION=${VERSION}
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DOCKER_BUILD_PLATFORM ?= linux/amd64,linux/arm64,linux/ppc64le,linux/arm/v7
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DOCKER_BUILD_RUNTIME_IMAGE ?= gcr.io/distroless/static:nonroot
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DOCKER_BUILDX_ARGS ?= --build-arg RUNTIME_IMAGE=${DOCKER_BUILD_RUNTIME_IMAGE} --build-arg VERSION=${VERSION}
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DOCKER_BUILDX := docker buildx build ${DOCKER_BUILDX_ARGS} --pull
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DOCKER_BUILDX_X_PLATFORM := $(DOCKER_BUILDX) --platform ${DOCKER_BUILD_PLATFORM}
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DOCKER_BUILDX_PUSH := $(DOCKER_BUILDX) --push
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DOCKER_BUILDX_PUSH_X_PLATFORM := $(DOCKER_BUILDX_PUSH) --platform ${DOCKER_BUILD_PLATFORM}
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DOCKER_BUILD_PLATFORM_ALPINE ?= linux/amd64,linux/arm64,linux/ppc64le,linux/arm/v6,linux/arm/v7
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DOCKER_BUILD_RUNTIME_IMAGE_ALPINE ?= alpine:3.18.4
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DOCKER_BUILDX_ARGS_ALPINE ?= --build-arg RUNTIME_IMAGE=${DOCKER_BUILD_RUNTIME_IMAGE_ALPINE} --build-arg VERSION=${VERSION}
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DOCKER_BUILDX_X_PLATFORM_ALPINE := docker buildx build ${DOCKER_BUILDX_ARGS_ALPINE} --platform ${DOCKER_BUILD_PLATFORM_ALPINE}
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DOCKER_BUILDX_PUSH_X_PLATFORM_ALPINE := $(DOCKER_BUILDX_X_PLATFORM_ALPINE) --push
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.PHONY: docker
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docker:
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$(DOCKER_BUILDX_X_PLATFORM) -t $(REGISTRY)/oauth2-proxy:latest -t $(REGISTRY)/oauth2-proxy:${VERSION} .
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$(DOCKER_BUILDX_X_PLATFORM) -t $(REGISTRY)/$(REPOSITORY):latest -t $(REGISTRY)/$(REPOSITORY):${VERSION} .
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$(DOCKER_BUILDX_X_PLATFORM_ALPINE) -t $(REGISTRY)/$(REPOSITORY):latest-alpine -t $(REGISTRY)/$(REPOSITORY):${VERSION}-alpine .
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.PHONY: docker-push
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docker-push:
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$(DOCKER_BUILDX_PUSH_X_PLATFORM) -t $(REGISTRY)/oauth2-proxy:latest -t $(REGISTRY)/oauth2-proxy:${VERSION} .
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$(DOCKER_BUILDX_PUSH_X_PLATFORM) -t $(REGISTRY)/$(REPOSITORY):latest -t $(REGISTRY)/$(REPOSITORY):${VERSION} .
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$(DOCKER_BUILDX_PUSH_X_PLATFORM_ALPINE) -t $(REGISTRY)/$(REPOSITORY):latest-alpine -t $(REGISTRY)/$(REPOSITORY):${VERSION}-alpine .
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.PHONY: docker-all
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docker-all: docker
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$(DOCKER_BUILDX) --platform linux/amd64 -t $(REGISTRY)/oauth2-proxy:latest-amd64 -t $(REGISTRY)/oauth2-proxy:${VERSION}-amd64 .
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$(DOCKER_BUILDX) --platform linux/arm64 -t $(REGISTRY)/oauth2-proxy:latest-arm64 -t $(REGISTRY)/oauth2-proxy:${VERSION}-arm64 .
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$(DOCKER_BUILDX) --platform linux/ppc64le -t $(REGISTRY)/oauth2-proxy:latest-ppc64le -t $(REGISTRY)/oauth2-proxy:${VERSION}-ppc64le .
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$(DOCKER_BUILDX) --platform linux/arm/v6 -t $(REGISTRY)/oauth2-proxy:latest-armv6 -t $(REGISTRY)/oauth2-proxy:${VERSION}-armv6 .
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$(DOCKER_BUILDX) --platform linux/arm/v7 -t $(REGISTRY)/oauth2-proxy:latest-armv7 -t $(REGISTRY)/oauth2-proxy:${VERSION}-armv7 .
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$(DOCKER_BUILDX) --platform linux/amd64 -t $(REGISTRY)/$(REPOSITORY):latest-amd64 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-amd64 .
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$(DOCKER_BUILDX) --platform linux/arm64 -t $(REGISTRY)/$(REPOSITORY):latest-arm64 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-arm64 .
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$(DOCKER_BUILDX) --platform linux/ppc64le -t $(REGISTRY)/$(REPOSITORY):latest-ppc64le -t $(REGISTRY)/$(REPOSITORY):${VERSION}-ppc64le .
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$(DOCKER_BUILDX) --platform linux/arm/v6 -t $(REGISTRY)/$(REPOSITORY):latest-armv6 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-armv6 .
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$(DOCKER_BUILDX) --platform linux/arm/v7 -t $(REGISTRY)/$(REPOSITORY):latest-armv7 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-armv7 .
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.PHONY: docker-push-all
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docker-push-all: docker-push
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$(DOCKER_BUILDX_PUSH) --platform linux/amd64 -t $(REGISTRY)/oauth2-proxy:latest-amd64 -t $(REGISTRY)/oauth2-proxy:${VERSION}-amd64 .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm64 -t $(REGISTRY)/oauth2-proxy:latest-arm64 -t $(REGISTRY)/oauth2-proxy:${VERSION}-arm64 .
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$(DOCKER_BUILDX_PUSH) --platform linux/ppc64le -t $(REGISTRY)/oauth2-proxy:latest-ppc64le -t $(REGISTRY)/oauth2-proxy:${VERSION}-ppc64le .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm/v6 -t $(REGISTRY)/oauth2-proxy:latest-armv6 -t $(REGISTRY)/oauth2-proxy:${VERSION}-armv6 .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm/v7 -t $(REGISTRY)/oauth2-proxy:latest-armv7 -t $(REGISTRY)/oauth2-proxy:${VERSION}-armv7 .
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$(DOCKER_BUILDX_PUSH) --platform linux/amd64 -t $(REGISTRY)/$(REPOSITORY):latest-amd64 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-amd64 .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm64 -t $(REGISTRY)/$(REPOSITORY):latest-arm64 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-arm64 .
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$(DOCKER_BUILDX_PUSH) --platform linux/ppc64le -t $(REGISTRY)/$(REPOSITORY):latest-ppc64le -t $(REGISTRY)/$(REPOSITORY):${VERSION}-ppc64le .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm/v6 -t $(REGISTRY)/$(REPOSITORY):latest-armv6 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-armv6 .
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$(DOCKER_BUILDX_PUSH) --platform linux/arm/v7 -t $(REGISTRY)/$(REPOSITORY):latest-armv7 -t $(REGISTRY)/$(REPOSITORY):${VERSION}-armv7 .
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.PHONY: docker-nightly-build
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docker-nightly-build:
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$(DOCKER_BUILDX_X_PLATFORM) -t $(REGISTRY)/oauth2-proxy-nightly:latest -t $(REGISTRY)/oauth2-proxy-nightly:${DATE} .
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$(DOCKER_BUILDX_X_PLATFORM) -t $(REGISTRY)/$(REPOSITORY)-nightly:latest -t $(REGISTRY)/$(REPOSITORY)-nightly:${DATE} .
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$(DOCKER_BUILDX_X_PLATFORM_ALPINE) -t ${REGISTRY}/$(REPOSITORY)-nightly:latest-alpine -t $(REGISTRY)/$(REPOSITORY)-nightly:${DATE}-alpine .
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.PHONY: docker-nightly-push
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docker-nightly-push:
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$(DOCKER_BUILDX_PUSH_X_PLATFORM) -t $(REGISTRY)/oauth2-proxy-nightly:latest -t $(REGISTRY)/oauth2-proxy-nightly:${DATE} .
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$(DOCKER_BUILDX_PUSH_X_PLATFORM) -t $(REGISTRY)/$(REPOSITORY)-nightly:latest -t $(REGISTRY)/$(REPOSITORY)-nightly:${DATE} .
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$(DOCKER_BUILDX_PUSH_X_PLATFORM_ALPINE) -t ${REGISTRY}/$(REPOSITORY)-nightly:latest-alpine -t $(REGISTRY)/$(REPOSITORY)-nightly:${DATE}-alpine .
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.PHONY: generate
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generate:
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@ -59,6 +59,15 @@ Read the docs on our [Docs site](https://oauth2-proxy.github.io/oauth2-proxy/doc
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## Images
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From `v7.6.0` and up the base image has been changed from Alpine to [GoogleContainerTools/distroless](https://github.com/GoogleContainerTools/distroless).
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This image comes with even fewer installed dependencies and thus should improve security. The image therefore is also slightly smaller than Alpine.
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For debugging purposes (and those who really need it (i.e. `armv6`)) we still provide images based on Alpine. The tags of these images are suffixed with `-alpine`.
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Since 2023-11-18 we provide nightly images. These images are build and pushed nightly to `quay.io/oauth2-proxy/oauth2-proxy-nightly` from `master`.
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These images should be considered alpha and therefore *should not* be used for production purposes unless you know what you're doing.
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## Getting Involved
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If you would like to reach out to the maintainers, come talk to us in the `#oauth2-proxy` channel in the [Gophers slack](http://gophers.slack.com/).
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