Initial CI workflow

.github/workflows/build-and-release.yml

@@ -0,0 +1,63 @@
+on: push
+
+permissions:
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - name: Docker Metadata
+        id: docker-metadata
+        uses: docker/metadata-action@v5
+        with:
+          # won't be used but is required by the action
+          images: dummy
+          tags: |
+            type=semver,pattern=v{{major}}
+            type=semver,pattern=v{{major}}.{{minor}}
+            type=semver,pattern=v{{version}}
+            type=ref,event=tag
+            type=ref,event=branch
+            type=ref,event=pr
+
+      - name: Setup gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Build docker image
+        id: build-docker-image
+        run: |
+          additional_tags="$(echo "$DOCKER_METADATA_OUTPUT_TAGS" | tr '\n' ' ' | sed 's/dummy://g')"
+          
+          application_version="$(./gradlew properties -q | awk '/^version:/ {print $2}')"
+          # unique version like `2.6.1-69` - immutable
+          full_version="$application_version-${{github.run_number}}"
+
+          ./gradlew \
+            -Pme.snoty.docker.tags="$full_version $additional_tags" \
+            -Pme.snoty.github.run="${{github.run_id}}:${{github.run_number}}" \
+            jibDockerBuild
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push docker image
+        run: docker push --all-tags ghcr.io/snotyme/snoty-backend
+
+      - name: Upload JAR
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifacts
+          path: build/libs

build.gradle.kts

@@ -1,5 +1,6 @@
 import io.github.simulatan.gradle.plugin.buildinfo.configuration.BuildInfoExtension
 import io.github.simulatan.gradle.plugin.buildinfo.configuration.PropertiesOutputLocation
+import org.eclipse.jgit.api.Git
 import org.jetbrains.gradle.ext.Application
 import org.jetbrains.gradle.ext.runConfigurations
 import org.jetbrains.gradle.ext.settings
@@ -134,7 +135,7 @@ jib {
         image = "eclipse-temurin:21-jre-alpine"
     }
     to {
-        val allTags = project.properties["snoty.docker.tags"]?.toString()?.split(" ")?.toSet()
+        val allTags = project.properties["me.snoty.docker.tags"]?.toString()?.trim()?.split(" ")?.toSet()
             ?: setOf(version.toString())
         image = "ghcr.io/snotyme/snoty-backend:${allTags.first()}"
         // workaround for the TERRIBLE design decisions of the JIB developers to
@@ -148,6 +149,30 @@ jib {
         creationTime = "USE_CURRENT_TIMESTAMP"
         appRoot = "/app"
         workingDirectory = "/app"
+        ports = listOf("8080")
+        val (ghaRunId, ghaRunNumber) =
+            project.properties["me.snoty.github.run"]?.toString()?.split(":") ?: listOf(null, null)
+        labels = mapOf(
+            "org.opencontainers.image.title" to "snoty-backend",
+            "org.opencontainers.image.description" to "Backend for the snoty project",
+            "org.opencontainers.image.url" to "https://github.com/SnotyMe/snoty-backend/pkgs/container/snoty-backend",
+            *Git.open(project.rootDir).use { git ->
+                val headRef = git.repository.resolve("HEAD").name
+                arrayOf(
+                    "org.opencontainers.image.revision" to headRef,
+                    // source to https version of the git repository
+                    "org.opencontainers.image.source" to git.repository.config.getString("remote", "origin", "url")
+                        .replace(":", "/")
+                        .replace("git@", "https://")
+                        .replace(".git", "")
+                        + "/tree/$headRef"
+                )
+            },
+            *if (ghaRunId != null && ghaRunNumber != null) arrayOf(
+                "com.github.actions.run.id" to ghaRunId,
+                "com.github.actions.run.number" to ghaRunNumber
+            ) else arrayOf()
+        )
     }
 }