ci: create build pipeline for snapcraft (#160)

.github/workflows/publish-snaps.yaml

@@ -0,0 +1,64 @@
+name: publish-snaps
+
+on:
+  workflow_dispatch:
+    inputs:
+      coder_version:
+        description: "Coder version"
+        required: true
+      release_channel:
+        description: "Release channel"
+        required: true
+        type: choice
+        options:
+          - stable
+          - mainline
+  repository_dispatch:
+    types: [coder-release]
+
+jobs:
+  build-and-publish:
+    runs-on: ${{ matrix.os }}
+    env:
+      SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.SNAPCRAFT_TOKEN }}
+    name: publish-snaps
+    strategy:
+      matrix:
+        os:
+          - depot-ubuntu-22.04
+          - depot-ubuntu-22.04-arm
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set metadata
+        id: metadata
+        run: |
+          if [[ "${{ github.event_name }}" == "repository_dispatch" ]]; then
+            echo "coder_version=${{ github.event.client_payload.coder_version }}" >> "$GITHUB_OUTPUT"
+            echo "release_channel=${{ github.event.client_payload.release_channel }}" >> "$GITHUB_OUTPUT"
+          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            echo "coder_version=${{ github.event.inputs.coder_version }}" >> "$GITHUB_OUTPUT"
+            echo "release_channel=${{ github.event.inputs.release_channel }}" >> "$GITHUB_OUTPUT"
+          else
+            echo "Unknown event: ${{ github.event_name }}"
+            exit 1
+          fi
+
+      - name: Set version in snapcraft.yaml
+        run: |
+          sed -i "s/version: \".*\"/version: \"${{ steps.metadata.outputs.coder_version }}\"/" snap/snapcraft.yaml
+          git diff snap/snapcraft.yaml
+
+      - name: Setup Snapcraft
+        uses: samuelmeuli/action-snapcraft@v2
+
+      - name: Build and publish snaps
+        run: |
+          snapcraft build
+          if [[ ${{ steps.metadata.outputs.release_channel }} == "stable" ]]; then
+            snapcraft upload --release=latest/stable *.snap
+          else
+            snapcraft upload --release=latest/candidate,latest/beta,latest/edge *.snap
+          fi

.gitignore

@@ -1,2 +1,4 @@
 .env
 packer-manifest.json
+# built snaps
+*.snap

README.md

@@ -11,7 +11,4 @@ Install [Coder](https://github.com/coder/coder) to your preferred cloud with a p
 | <img src="./assets/render.png"  alt="Render.com Logo" width="100" height="100" />        | Render                | Live ✅      | [Docs: Deploy Coder on Render](./render/README.md)                                          | [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/coder/packages) |
 | <img src="./assets/eks.svg" alt="AWS EKS Logo" width="100" height="100" />               | AWS EKS               | In progress | [Docs: Coder on Kubernetes](https://coder.com/docs/v2/latest/install/kubernetes)            | [Deploy from AWS Marketplace](https://example.com)                                                                                             |
 | <img src="./assets/gce.svg" alt="Google Compute Engine logo" width="100" height="100" /> | Google Compute Engine | Live ✅      | [Guide: Google Compute Engine](https://coder.com/docs/v2/latest/platforms/gcp)              | [Deploy from GCP Marketplace](https://console.cloud.google.com/marketplace/product/coder-enterprise-market-public/coder-v2)                    |
-| <img src="./assets/snapcraft.svg" alt="Snapcraft Logo" width="100" height="100" />       | Snapcraft             | Live ✅      | [Install Coder from Snapcraft](https://snapcraft.io/coder)                                  |
-
-[![Get it from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-white.svg)](https://snapcraft.io/coder)
-                                             |
+| <img src="./assets/snapcraft.svg" alt="Snapcraft Logo" width="100" height="100" />       | Snapcraft             | Live ✅      | `snap install coder`                                                                        | [![Get it from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-white.svg)](https://snapcraft.io/coder)                 |

snap/snapcraft.yaml

@@ -2,8 +2,8 @@ name: coder
 title: Coder
 type: app
 base: core24
-version: '2.12.4'
-summary:  Self-Hosted Cloud Development Environments
+version: "2.13.1" # version is managed in .github/workflows/publish-snaps.yaml
+summary: Self-Hosted Cloud Development Environments
 license: AGPL-3.0
 contact: https://coder.com/contact
 issues: https://github.com/coder/coder/issues