add goreleaser GitHub Action and Dockerfile

.github/workflows/release.yaml

+name: Release
+
+on:
+  push:
+    branches-ignore:
+      - '**'
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Set up Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.x
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v1
+        with:
+          version: latest
+          args: release --rm-dist
+          key: ${{ secrets.YOUR_PRIVATE_KEY }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

+/dist
+/.idea
+/.vscode
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
+
+.DS_Store

.goreleaser.yml

+project_name: bee
+
+builds:
+  - main: ./cmd/bee/main.go
+
+    binary: bee
+
+    flags:
+      - -v
+      - -trimpath
+
+    ldflags:
+      - -s -w -X github.com/janos/bee.version={{.Version}} -X github.com/janos/bee.commit={{.ShortCommit}}
+
+    env:
+      - CGO_ENABLED=0
+
+    goos:
+      - darwin
+      - linux
+      - windows
+
+    goarch:
+      - amd64
+      - 386
+      - arm64
+      - arm
+
+    ignore:
+      - goos: darwin
+        goarch: 386
+      - goos: darwin
+        goarch: arm64
+      - goos: darwin
+        goarch: arm
+      - goos: windows
+        goarch: arm64
+      - goos: windows
+        goarch: arm
+
+snapshot:
+  name_template: "{{.Tag}}-snapshot"
+
+archives:
+  - name_template: "{{ tolower .ProjectName }}-{{ tolower .Os }}-{{ tolower .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
+
+    format: binary
+
+nfpms:
+  - file_name_template: "{{ tolower .ProjectName }}-{{ tolower .Os }}-{{ tolower .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
+
+    vendor: Ethereum Swarm
+    homepage: https://swarm.ethereum.org/
+
+    maintainer: Janoš Guljaš <janos@ethswarm.org>
+
+    description: Ethereum Swarm node
+
+    license: GPL-3
+
+    formats:
+      - deb
+      - rpm
+
+    bindir: /usr/bin

Dockerfile

+FROM golang AS builder
+ADD . /src
+WORKDIR /src
+RUN make binary
+
+FROM debian
+RUN apt update && apt install -y \
+        ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /src/dist/bee bee
+RUN chmod +x ./bee
+ENTRYPOINT ["./bee"]

Makefile

 GO ?= go
 GOLANGCI_LINT ?= golangci-lint
 
+LDFLAGS ?= -s -w -X github.com/janos/bee.commit="$(shell git describe --long --dirty --always --match "" || true)"
+
+.PHONY: all
+all: lint vet test binary
+
+.PHONY: binary
+binary: export CGO_ENABLED=0
+binary: dist FORCE
+	$(GO) version
+	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/bee ./cmd/bee
+
+dist:
+	mkdir $@
+
 .PHONY: lint
 lint:
 	$(GOLANGCI_LINT) run
@@ -16,4 +30,6 @@ test:
 .PHONY: build
 build: export CGO_ENABLED=0
 build:
-	$(GO) build -trimpath -ldflags "-s -w" ./...
+	$(GO) build -trimpath -ldflags "$(LDFLAGS)" ./...
+
+FORCE:

go.mod

@@ -5,38 +5,19 @@ go 1.13
 require (
 	github.com/gogo/protobuf v1.3.1
 	github.com/gorilla/handlers v1.4.2
+	github.com/hashicorp/golang-lru v0.5.3 // indirect
 	github.com/ipfs/go-log v1.0.1 // indirect
-	github.com/libp2p/go-conn-security v0.1.0 // indirect
 	github.com/libp2p/go-libp2p v0.5.0
 	github.com/libp2p/go-libp2p-autonat-svc v0.1.0
 	github.com/libp2p/go-libp2p-connmgr v0.2.1
 	github.com/libp2p/go-libp2p-core v0.3.0
-	github.com/libp2p/go-libp2p-crypto v0.1.0
-	github.com/libp2p/go-libp2p-host v0.1.0
-	github.com/libp2p/go-libp2p-interface-connmgr v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-interface-pnet v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-kad-dht v0.5.0
-	github.com/libp2p/go-libp2p-metrics v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-net v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-protocol v0.1.0
 	github.com/libp2p/go-libp2p-quic-transport v0.2.2
-	github.com/libp2p/go-libp2p-routing v0.1.0
 	github.com/libp2p/go-libp2p-secio v0.2.1
 	github.com/libp2p/go-libp2p-tls v0.1.2
-	github.com/libp2p/go-libp2p-transport v0.1.0 // indirect
-	github.com/libp2p/go-stream-muxer v0.1.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/multiformats/go-multiaddr v0.2.0
 	github.com/multiformats/go-multistream v0.1.0
-	github.com/olekukonko/tablewriter v0.0.4
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/viper v1.6.1
-	github.com/whyrusleeping/go-smux-multiplex v3.0.16+incompatible // indirect
-	github.com/whyrusleeping/go-smux-multistream v2.0.2+incompatible // indirect
-	github.com/whyrusleeping/go-smux-yamux v2.0.9+incompatible // indirect
-	github.com/whyrusleeping/yamux v1.2.0 // indirect
-	honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc
-	newreleases.io/cmd v0.1.0
-	newreleases.io/newreleases v1.3.1
 	resenje.org/web v0.4.0
 )

version.go

 package bee
 
-// Version is a manually set semantic version number.
-var Version = "v0.1.0-alpha"
+var (
+	version = "v0.1.0" // manually set semantic version number
+	commit  string     // automatically set git commit hash
+
+	Version = func() string {
+		if commit != "" {
+			return version + "-" + commit
+		}
+		return version
+	}()
+)