Add a Docker image for the CLI binary

.github/workflows/release.yaml

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+name: Release
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+
+permissions: {}
+
+jobs:
+  release:
+    uses: hansmi/ghactions-goreleaser-workflow/.github/workflows/release.yaml@v0.3
+    permissions:
+      contents: write
+      packages: write
+
+# vim: set sw=2 sts=2 et :

.goreleaser.yml

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+# Configuration for GoReleaser
+# https://goreleaser.com/
+#
+# Local test: contrib/build-all
+#
+
+version: 2
+
+project_name: dossier
+
+builds:
+  - id: dossiercli
+    main: ./cmd/dossiercli/
+    binary: dossiercli
+    env:
+      - CGO_ENABLED=0
+    targets:
+      - linux_amd64_v1
+    flags:
+      - -trimpath
+
+dockers:
+  - ids:
+      - dossiercli
+    use: buildx
+    dockerfile: contrib/Dockerfile.goreleaser
+    extra_files:
+      - LICENSE
+      - README.md
+      - internal/testfiles/acme-invoice-11321-19.pdf
+      - pkg/sketch/testdata/acme-invoice.textproto
+    image_templates:
+      - ghcr.io/hansmi/dossier:{{.Tag}}-cli
+      - ghcr.io/hansmi/dossier:v{{.Major}}-cli
+      - ghcr.io/hansmi/dossier:latest-cli
+    build_flag_templates:
+      - --pull
+      - --label=org.opencontainers.image.created={{.Date}}
+      - --label=org.opencontainers.image.name={{.ProjectName}}
+      - --label=org.opencontainers.image.revision={{.FullCommit}}
+      - --label=org.opencontainers.image.version={{.Version}}
+      - --label=org.opencontainers.image.source={{.GitURL}}
+
+release:
+  draft: true
+  prerelease: auto
+
+snapshot:
+  version_template: '{{ incpatch .Version }}-snapshot{{ replace (replace .Date ":" "") "-" "" }}+g{{ .ShortCommit }}'
+
+# vim: set sw=2 sts=2 et :

contrib/Dockerfile.goreleaser

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+FROM docker.io/library/alpine:latest
+
+RUN apk add --no-cache ca-certificates tzdata mupdf-tools
+
+LABEL org.opencontainers.image.licenses=BSD-3-Clause
+LABEL org.opencontainers.image.description="Extract information from PDF documents"
+
+WORKDIR /
+
+COPY LICENSE README.md /
+COPY dossiercli /
+
+# Trivial test
+RUN --mount=type=bind,source=./,target=/src \
+  /dossiercli analyze-sketch \
+    /src/internal/testfiles/acme-invoice-11321-19.pdf \
+    /src/pkg/sketch/testdata/acme-invoice.textproto | \
+  grep -q -w -e textMatchGroups
+
+ENTRYPOINT ["/dossiercli"]
+
+# vim: set sw=2 sts=2 et ft=dockerfile :

contrib/build-all

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+#!/bin/bash
+
+set -e -u -o pipefail
+
+package=github.com/hansmi/dossier
+docker_gid=$(getent group docker | cut -d: -f3)
+
+docker run --rm \
+  --user "$(id -u):$(id -g)" --group-add="$docker_gid" \
+  --env HOME=/tmp \
+  -v "${PWD}:/go/src/${package}" \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  -w "/go/src/${package}" \
+  goreleaser/goreleaser:latest release --snapshot --clean --skip=publish
+
+# vim: set sw=2 sts=2 et :