Build AppImage too

.github/workflows/release.yml

@@ -48,7 +48,8 @@ jobs:
         uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0
 
       - name: Install GTK4 (Ubuntu)
-        run: sudo apt-get install --no-install-recommends -y libgtk-4-dev
+        # FUSE is needed for AppImage to run
+        run: sudo apt-get install --no-install-recommends -y libgtk-4-dev libfuse2
         if: runner.os == 'Linux'
 
       - name: Configure GTK4 cache (Windows)
@@ -200,14 +201,30 @@ jobs:
 
       - name: Package (Linux)
         run: |
+          # Build Debian package
           cargo deb --target ${{ matrix.build.target }} --profile production --no-build --no-strip
+          
+          # And build AppImage as well
+          wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
+          chmod +x linuxdeploy*.AppImage
+          NO_STRIP=1 ./linuxdeploy-x86_64.AppImage \
+              --appdir AppDir \
+              --executable target/${{ matrix.build.target }}/production/space-acres \
+              --desktop-file res/linux/space-acres.desktop \
+              --icon-file res/linux/space-acres.png \
+              --output appimage
+          
+          # Rename AppImage to be consistent with other files
+          version=$(grep -Po 'version = "\K.*?(?=")' -m 1 Cargo.toml)
+          mv Space_Acres-x86_64.AppImage space-acres-$version-x86_64.AppImage
         if: runner.os == 'Linux'
 
       - name: Upload installer to artifacts (Linux)
         uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # @v3.1.1
         with:
           name: installer-${{ matrix.build.suffix }}
           path: |
+            space-acres-*.AppImage
             target/${{ matrix.build.target }}/debian/*.deb
           if-no-files-found: error
         if: runner.os == 'Linux'
@@ -217,5 +234,5 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with:
-          asset_paths: '["target/${{ matrix.build.target }}/debian/*.deb"]'
+          asset_paths: '["space-acres-*.AppImage", "target/${{ matrix.build.target }}/debian/*.deb"]'
         if: runner.os == 'Linux' && github.event_name == 'push' && github.ref_type == 'tag'

docs/INSTALLATION.md

@@ -59,6 +59,12 @@ for your architecture (most likely X64).
 
 ## Linux
 
+Currently, there are two ways to get Space Acres on Linux:
+* by installing `.deb` package on Ubuntu
+* by running `.AppImage` bundle directly on any modern Linux distribution (including Ubuntu if you want to)
+
+### Ubuntu
+
 For **Ubuntu 22.04 or newer** (older versions not supported) go to [the latest release](https://github.com/nazar-pc/space-acres/releases/latest) and download attached
 file with `.deb` extension for your architecture (most likely `amd64`).
 
@@ -72,9 +78,24 @@ Replace `Downloads` with correct name of downloads directory if you have non-Eng
 downloaded file into a custom location. In case you have multiple versions of Space Acres downloaded, you might want to
 replace `space-acres*.deb` with a full name of the file you've downloaded.
 
-There are no official packages for other Linux distributions yet and if you build from source you hopefully know what
+### Other Linux
+
+For other distributions AppImage is available too, go to [the latest release](https://github.com/nazar-pc/space-acres/releases/latest) and download attached
+file with `.AppImage` extension for your architecture (most likely `x86_64`).
+
+Then open terminal and run following commands to switch to downloads directory and make it executable:
+```bash
+cd Downloads
+chmod +x space-acres-*.AppImage
+```
+
+After this either use `./space-acres-*.AppImage` in the terminal or double-click on the file in the file manager to open
+the app. In case you have multiple versions of Space Acres downloaded, you might want to replace
+`space-acres-*.AppImage` with a full name of the file you've downloaded.
+
+There are no other Linux packages at the moment and if you build from source you hopefully know what
 you are doing.
-Consider [contributing to Linux packaging](https://github.com/nazar-pc/space-acres/issues/6) though!
+Consider contributing to Linux packaging though!
 
 ## macOS