ci(goreleaser): configure goreleaser for automated releases

.dockerignore

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+.git
+vendor

deployments/Dockerfile

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+FROM alpine:latest
+
+# Set the working directory
+WORKDIR /app
+
+# Copy compiled binary into the container
+COPY fresh-proxy-list /app/fresh-proxy-list
+
+# Set default command to run application
+ENTRYPOINT ["/app/fresh-proxy-list"]

deployments/goreleaser.yml

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+version: 2
+project_name: fresh-proxy-list
+env:
+  - GO111MODULE=on
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+
+    main: ./cmd/main.go
+    flags: -trimpath
+    ldflags:
+      - -s -w
+      - -extldflags=-static
+    mod_timestamp: "{{ .CommitTimestamp }}"
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - arm
+      - arm64
+      - amd64
+
+checksum:
+  name_template: "{{ .ProjectName }}_checksums.txt"
+
+archives:
+  - name_template: "{{ .ProjectName }}-{{ .Env.TAG_VERSION }}-{{ .Os }}-{{ .Arch }}"
+    format_overrides:
+      - goos: windows
+        format: zip
+    files:
+      - README*.md
+      - LICENSE
+
+dockers:
+  - image_templates:
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-amd64"
+    use: buildx
+    dockerfile: ./deployments/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/amd64"
+  - image_templates:
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-arm64"
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:latest"
+    use: buildx
+    dockerfile: ./deployments/Dockerfile
+    goarch: arm64
+    build_flag_templates:
+      - --platform=linux/arm64/v8
+
+docker_manifests:
+  - name_template: "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}"
+    image_templates:
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-amd64"
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-arm64"
+  - name_template: "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:latest"
+    image_templates:
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-amd64"
+      - "ghcr.io/{{ .Env.DOCKER_USERNAME }}/{{ .Env.DOCKER_REPOSITORY }}:{{ .Env.TAG_VERSION }}-arm64"
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs"
+      - "^test"
+      - "^ci"
+      - "^README"
+      - "^Update"
+      - Merge pull request
+      - Merge branch