add binary distribution with goreleaser

.gitignore

@@ -1,4 +1,5 @@
 *.test
 *.out
 .runconf
-var/
+var/
+dist/

.goreleaser.yml

@@ -0,0 +1,53 @@
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm
+      - arm64
+    ignore:
+      - goos: freebsd
+        goarch: arm
+      - goos: freebsd
+        goarch: arm64
+    dir: app
+    ldflags: "-s -w -X main.revision={{.Tag}}-{{.ShortCommit}}-{{.CommitDate}}"
+
+archives:
+  - name_template: "{{.ProjectName}}_{{.Tag}}_{{.Os}}_{{.Arch}}"
+    replacements:
+      386: i386
+      amd64: x86_64
+      darwin: macos
+    format_overrides:
+      - goos: windows
+        format: zip
+    files:
+      - LICENSE
+      - README.md
+
+nfpms:
+  -
+    package_name: reproxy
+    file_name_template: "{{.ProjectName}}_{{.Tag}}_{{.Os}}_{{.Arch}}"
+    vendor: Umputun
+    homepage: https://reproxy.io
+    maintainer: Umputun <umputun@gmail.com>
+    description: reverse proxy
+    license: MIT
+    formats:
+      - deb
+      - rpm
+    bindir: /usr/bin
+    epoch: 1
+    release: 1
+    files:
+      "reproxy.service": "/etc/systemd/system/reproxy.service"
+      "reproxy-example.yml": "/etc/reproxy-example.yml"
+    scripts:
+      postinstall: "scripts/postinstall.sh"
+      preremove: "scripts/preremove.sh"

Dockerfile.artifacts

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+FROM goreleaser/goreleaser as build
+
+WORKDIR /build
+ADD . /build
+
+RUN goreleaser --snapshot --skip-publish --rm-dist
+
+FROM alpine
+COPY --from=build /build/dist/ /dist/
+RUN \
+    mkdir -p /artifacts && \
+    cp /dist/*.gz /artifacts/ && \
+    cp /dist/*.zip /artifacts/ && \
+    cp /dist/*.txt /artifacts/ && \
+    cp /dist/*.rpm /artifacts/ && \
+    cp /dist/*.deb /artifacts/ && \
+    ls -la /artifacts/*
+
+CMD ["sleep", "100"]

Makefile

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+docker:
+	docker build -t umputun/reproxy .
+
+dist:
+	- @mkdir -p dist
+	docker build -f Dockerfile.artifacts -t reproxy.bin .
+	- @docker rm -f reproxy.bin 2>/dev/null || exit 0
+	docker run -d --name=reproxy.bin reproxy.bin
+	docker cp reproxy.bin:/artifacts dist/
+	docker rm -f reproxy.bin
+
+race_test:
+	cd app && go test -race -mod=vendor -timeout=60s -count 1 ./...
+
+.PHONY: dist docker race_test

reproxy-example.yml

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+default:
+  - {route: "^/api/svc1/(.*)", dest: "http://127.0.0.1:8080/blah1/$1"}
+  - {route: "/api/svc3/xyz", dest: "http://127.0.0.3:8080/blah3/xyz", "ping": "http://127.0.0.3:8080/ping"}
+srv.example.com:
+  - {route: "^/api/svc2/(.*)", dest: "http://127.0.0.2:8080/blah2/$1/abc"}

reproxy.service

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+[Unit]
+Description=Reverse proxy service
+After=network.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=simple
+Restart=always
+RestartSec=1
+User=root
+ExecStart=/usr/bin/reproxy -f /etc/reproxy.yml -u
+
+[Install]
+WantedBy=multi-user.target

scripts/postinstall.sh

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+#!/bin/sh
+systemctl start reproxy
+systemctl enable reproxy

scripts/preremove.sh

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+#!/bin/sh
+systemctl stop reproxy
+systemctl disable reproxy