Build executable for linux

The AppImage didn't work for me. However, the .deb seems to install
as expected.

.github/workflows/main.yml

@@ -44,10 +44,24 @@ jobs:
             sacro-app/package-lock.json
       - name: Run tests
         run: just test
-      - name: Build binary
-        run: just build
-      - name: Build app
-        run: just sacro-app/build
+      - name: Cypress run
+        uses: cypress-io/github-action@d69252d52b9a31bad4f418f05ba2bc83687a02eb #v5.8.3
+        with:
+          start: just run
+          wait-on: "http://localhost:8000/"
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: cypress-screenshots
+          path: cypress/screenshots
+          if-no-files-found: ignore
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: cypress-videos
+          path: cypress/videos
+          if-no-files-found: ignore
+
 
   test-windows:
     runs-on: windows-2022
@@ -86,6 +100,46 @@ jobs:
           path: cypress/videos
           if-no-files-found: ignore
 
+  build-linux:
+    needs: [check, test-linux]
+    permissions:
+      contents: write
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: "opensafely-core/setup-action@v1"
+        with:
+          python-version: "3.11"
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: '.node-version'
+          cache: "npm"
+          cache-dependency-path: |
+            **/package-lock.json
+            sacro-app/package-lock.json
+      # our just setup doesn't make just available on the path
+      - uses: extractions/setup-just@69d82fb0233557aec017ef13706851d0694e0f1d
+      - name: Download sample data
+        run: just test-outputs
+      - name: Build Python binary
+        run: just build
+      - name: Build app
+        run: |
+          mkdir sacro-app/dist/@opensafely
+          just sacro-app/build
+      - name: Copy built msi
+        run: cp sacro-app/dist/@opensafely/sacro*.deb .
+      - name: Upload build
+        if: success()
+        uses: actions/upload-artifact@v3
+        with:
+          name: SACRO-latest-linux-build
+          path: |
+            sacro*.deb
+            outputs/*
+            !outputs/.keep
+
   build-windows:
     needs: [check, test-windows]
     permissions:
@@ -108,7 +162,7 @@ jobs:
       - uses: extractions/setup-just@69d82fb0233557aec017ef13706851d0694e0f1d
       - name: Download sample data
         run: just test-outputs
-      - name: Build binary
+      - name: Build Python binary
         run: just build
       - name: Build app
         run: just sacro-app/build

sacro-app/package.json

@@ -1,10 +1,10 @@
 {
   "name": "@opensafely/sacro",
-  "productName": "SACRO",
+  "productName": "sacro",
   "version": "0.1.0",
   "main": "main.js",
   "description": "SACRO Output Viewer",
-  "author": "OpenSAFELY",
+  "author": "OpenSAFELY <tech@opensafely.org>",
   "homepage": "https://github.com/opensafely-core/sacro",
   "scripts": {
     "dev": "electron . --no-sandbox",
@@ -29,7 +29,7 @@
       ]
     },
     "linux": {
-      "target": "AppImage",
+      "target": "deb",
       "category": "Science"
     },
     "extraResources": [