feat: add GitHub Actions workflow for release automation and update README with download instructions

Author: decoded-cipher

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    name: GoReleaser
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          version: "~> v2"
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,74 @@
+version: 2
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - id: netmon
+    main: ./cmd/netmon
+    binary: netmon
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm64
+    ldflags:
+      - -s -w
+
+archives:
+  - id: netmon
+    formats:
+      - tar.gz
+    format_overrides:
+      - goos: windows
+        formats:
+          - zip
+    name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}"
+
+checksum:
+  name_template: "checksums.txt"
+
+dockers:
+  - image_templates:
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-amd64
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/amd64
+      - --label=org.opencontainers.image.version={{ .Version }}
+      - --label=org.opencontainers.image.revision={{ .FullCommit }}
+    goarch: amd64
+
+  - image_templates:
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-arm64
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/arm64
+      - --label=org.opencontainers.image.version={{ .Version }}
+      - --label=org.opencontainers.image.revision={{ .FullCommit }}
+    goarch: arm64
+
+docker_manifests:
+  - name_template: ghcr.io/decoded-cipher/netmon:{{ .Tag }}
+    image_templates:
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-amd64
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-arm64
+
+  - name_template: ghcr.io/decoded-cipher/netmon:latest
+    image_templates:
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-amd64
+      - ghcr.io/decoded-cipher/netmon:{{ .Tag }}-arm64
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^chore:"
+      - "^ci:"
+      - Merge pull request
+      - Merge branch

README.md

@@ -2,7 +2,7 @@
 
 A lightweight, self-hosted network monitoring dashboard. Tracks latency, jitter, packet loss, DNS resolution times, and bandwidth — displayed in a live web UI with no external services required.
 
-![Build](https://github.com/decoded-cipher/netmon/actions/workflows/ci.yml/badge.svg)
+![Build](https://github.com/decoded-cipher/netmon/actions/workflows/publish.yml/badge.svg)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
 [![Go](https://img.shields.io/badge/Go-1.21+-00ADD8?logo=go)](https://golang.org)
 
@@ -26,6 +26,17 @@ A lightweight, self-hosted network monitoring dashboard. Tracks latency, jitter,
 
 ## Quick Start
 
+### Download a release
+
+Pre-built binaries for Linux, macOS, and Windows (amd64 + arm64) are available on the [Releases](https://github.com/decoded-cipher/netmon/releases) page.
+
+```bash
+# example: Linux amd64
+curl -LO https://github.com/decoded-cipher/netmon/releases/latest/download/netmon_linux_amd64.tar.gz
+tar -xzf netmon_linux_amd64.tar.gz
+./netmon
+```
+
 ### Docker (recommended)
 
 ```bash