add support for slim docker image release (ethersphere#1877)

Author: vandot

.goreleaser.yml

@@ -20,6 +20,27 @@ builds:
       - arm
     goarm:
       - 7
+  - id: linux-slim
+    main: ./cmd/bee
+    binary: bee-slim
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -s -w -X github.com/ethersphere/bee.version={{.Version}} -X github.com/ethersphere/bee.commit={{.ShortCommit}}
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
+      - arm
+    goarm:
+      - 7
+    hooks:
+      post:
+       - upx --best "{{ .Path }}"
   - id: windows
     main: ./cmd/bee
     binary: bee
@@ -78,6 +99,10 @@ archives:
   -
     name_template: "{{ tolower .ProjectName }}-{{ tolower .Os }}-{{ tolower .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
     format: binary
+    builds:
+    - linux
+    - windows
+    - darwin
   -
     id: homebrew
     builds:
@@ -291,6 +316,52 @@ dockers:
   - "--label=org.opencontainers.image.title={{.ProjectName}}"
   - "--label=org.opencontainers.image.revision={{.FullCommit}}"
   - "--label=org.opencontainers.image.version={{.Version}}"
+- image_templates:
+  - "ethersphere/bee:{{ .Version }}-amd64-slim"
+  - "quay.io/ethersphere/bee:{{ .Version }}-amd64-slim"
+  use_buildx: true
+  ids:
+    - linux-slim
+  goarch: amd64
+  dockerfile: Dockerfile.scratch
+  build_flag_templates:
+  - "--platform=linux/amd64"
+  - "--pull"
+  - "--label=org.opencontainers.image.created={{.Date}}"
+  - "--label=org.opencontainers.image.title={{.ProjectName}}"
+  - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+  - "--label=org.opencontainers.image.version={{.Version}}-slim"
+- image_templates:
+  - "ethersphere/bee:{{ .Version }}-armv7-slim"
+  - "quay.io/ethersphere/bee:{{ .Version }}-armv7-slim"
+  use_buildx: true
+  ids:
+    - linux-slim
+  goarch: arm
+  goarm: 7
+  dockerfile: Dockerfile.scratch
+  build_flag_templates:
+  - "--platform=linux/arm/v7"
+  - "--pull"
+  - "--label=org.opencontainers.image.created={{.Date}}"
+  - "--label=org.opencontainers.image.title={{.ProjectName}}"
+  - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+  - "--label=org.opencontainers.image.version={{.Version}}-slim"
+- image_templates:
+  - "ethersphere/bee:{{ .Version }}-arm64v8-slim"
+  - "quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim"
+  use_buildx: true
+  ids:
+    - linux-slim
+  goarch: arm64
+  dockerfile: Dockerfile.scratch
+  build_flag_templates:
+  - "--platform=linux/arm64/v8"
+  - "--pull"
+  - "--label=org.opencontainers.image.created={{.Date}}"
+  - "--label=org.opencontainers.image.title={{.ProjectName}}"
+  - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+  - "--label=org.opencontainers.image.version={{.Version}}-slim"
 docker_manifests:
 - name_template: ethersphere/bee:{{ .Major }}
   image_templates:
@@ -342,3 +413,53 @@ docker_manifests:
   - quay.io/ethersphere/bee:{{ .Version }}-amd64
   - quay.io/ethersphere/bee:{{ .Version }}-armv7
   - quay.io/ethersphere/bee:{{ .Version }}-arm64v8
+- name_template: ethersphere/bee:{{ .Major }}-slim
+  image_templates:
+  - ethersphere/bee:{{ .Version }}-amd64-slim
+  - ethersphere/bee:{{ .Version }}-armv7-slim
+  - ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: ethersphere/bee:{{ .Major }}.{{ .Minor }}-slim
+  image_templates:
+  - ethersphere/bee:{{ .Version }}-amd64-slim
+  - ethersphere/bee:{{ .Version }}-armv7-slim
+  - ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: ethersphere/bee:{{ .Major }}.{{ .Minor }}.{{ .Patch }}-slim
+  image_templates:
+  - ethersphere/bee:{{ .Version }}-amd64-slim
+  - ethersphere/bee:{{ .Version }}-armv7-slim
+  - ethersphere/bee:{{ .Version }}-arm64v8
+- name_template: ethersphere/bee:latest-slim
+  image_templates:
+  - ethersphere/bee:{{ .Version }}-amd64-slim
+  - ethersphere/bee:{{ .Version }}-armv7-slim
+  - ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: ethersphere/bee:beta-slim
+  image_templates:
+  - ethersphere/bee:{{ .Version }}-amd64-slim
+  - ethersphere/bee:{{ .Version }}-armv7-slim
+  - ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: quay.io/ethersphere/bee:{{ .Major }}-slim
+  image_templates:
+  - quay.io/ethersphere/bee:{{ .Version }}-amd64-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-armv7-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: quay.io/ethersphere/bee:{{ .Major }}.{{ .Minor }}-slim
+  image_templates:
+  - quay.io/ethersphere/bee:{{ .Version }}-amd64-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-armv7-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: quay.io/ethersphere/bee:{{ .Major }}.{{ .Minor }}.{{ .Patch }}-slim
+  image_templates:
+  - quay.io/ethersphere/bee:{{ .Version }}-amd64-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-armv7-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: quay.io/ethersphere/bee:latest-slim
+  image_templates:
+  - quay.io/ethersphere/bee:{{ .Version }}-amd64-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-armv7-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim
+- name_template: quay.io/ethersphere/bee:beta-slim
+  image_templates:
+  - quay.io/ethersphere/bee:{{ .Version }}-amd64-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-armv7-slim
+  - quay.io/ethersphere/bee:{{ .Version }}-arm64v8-slim

Dockerfile.scratch

@@ -0,0 +1,25 @@
+FROM debian:10.9-slim
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        ca-certificates; \
+    groupadd -r bee --gid 999; \
+    useradd -r -g bee --uid 999 --no-log-init -m bee;
+
+# make sure mounted volumes have correct permissions
+RUN mkdir -p /home/bee/.bee && chown 999:999 /home/bee/.bee
+
+FROM scratch
+
+COPY bee-slim /usr/local/bin/bee
+COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs
+COPY --from=0 /etc/passwd /etc/passwd
+COPY --from=0 /home /home
+
+EXPOSE 1633 1634 1635
+USER bee
+WORKDIR /home/bee
+VOLUME /home/bee/.bee
+
+ENTRYPOINT ["bee"]