chore: add snap to release packages (go-acme#2134)

Author: gruyaume

.github/workflows/release.yml

@@ -53,6 +53,14 @@ jobs:
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
         run: echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
 
+      - name: Install snapcraft
+        run: sudo snap install snapcraft --classic
+
+      - name: Snapcraft login
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.SNAPCRAFT_STORE_CREDENTIALS }}
+        run: snapcraft login
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 

.goreleaser.yml

@@ -141,3 +141,31 @@ dockers:
       - '--label=org.opencontainers.image.revision={{.FullCommit}}'
       - '--label=org.opencontainers.image.version={{.Version}}'
       - '--platform=linux/arm/v7'
+
+snapcrafts:
+  - name: lego
+    grade: stable
+    confinement: strict
+    license: MIT
+    base: core22
+    publish: true
+    summary: Lego is a Let's Encrypt/ACME client.
+    description: |
+      Lego is a Let's Encrypt/ACME client written in Go.
+
+      The lego snap makes it easy to install and use Lego on any Linux distribution that supports snaps.
+    
+      Usage:
+      * `sudo snap install lego`
+      * `sudo lego --email="[email protected]" --domains="example.com" --server=https://acme-staging-v02.api.letsencrypt.org/directory --http --http.port :8080 run
+    
+    channel_templates:
+      - edge
+
+    apps:
+      lego:
+        command: bin/lego
+        environment:
+          LEGO_PATH: /var/snap/lego/common/.lego
+        plugs:
+          - network-bind

docs/content/installation/_index.md

@@ -30,6 +30,12 @@ docker run goacme/lego -h
   yay -S lego-bin
   ```
 
+- [Snap](https://snapcraft.io/lego) (official):
+
+  ```bash
+  sudo snap install lego
+  ```
+
 - [FreeBSD (Ports)](https://www.freshports.org/security/lego) (unofficial):
 
   ```bash