2 files changed, 74 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e72c834
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/ssh
+/repos
diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..0846efb
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,72 @@
+pipeline {
+  agent { 
+    label 'docker' 
+  }
+  triggers { 
+    pollSCM('H/5 * * * *') // every ~5 minutes
+  } 
+  
+  // 👇 Fill these for your setup
+  environment {
+    GIT_URL         = '/var/git/git-server'
+    GIT_BRANCH      = 'trunk'
+    GIT_CREDENTIALS = ''                   // Jenkins credentialsId (leave empty for public)
+    REGISTRY        = 'docker.it-jaros.com'        // e.g. ghcr.io/you or registry.example.com/namespace
+    PLATFORMS       = 'linux/arm64/v8,linux/amd64'
+  }
+
+  stages {
+    stage('Checkout') {
+      steps {
+        script {
+          if (env.GIT_CREDENTIALS?.trim()) {
+            checkout([$class: 'GitSCM',
+              branches: [[name: "*/${GIT_BRANCH}"]],
+              userRemoteConfigs: [[url: GIT_URL, credentialsId: GIT_CREDENTIALS]],
+	    ])
+          } else {
+            git branch: GIT_BRANCH, url: GIT_URL
+          }
+        }
+      }
+    }
+
+    stage('Extract vars') {
+      steps {
+        script {
+          env.GIT_SHA = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
+
+          // compose image name + tags
+	  env.GROUP_ID = "com.it-jaros.git"
+          env.IMAGE_NAME = "${REGISTRY}/${GROUP_ID}"
+          echo "sha=${env.GIT_SHA}"
+          echo "image=${env.IMAGE_NAME}"
+        }
+      }
+    }
+
+    stage('Docker buildx (multi-arch)') {
+      steps {
+        withCredentials([usernamePassword(
+            credentialsId: 'docker',
+            usernameVariable: 'DOCKER_USER',
+            passwordVariable: 'DOCKER_PASS'
+        )]) {
+          sh '''
+            docker version
+            docker buildx version
+            docker buildx ls | grep -q multiarch || docker buildx create --name multiarch --use --bootstrap
+            echo "$DOCKER_PASS" | docker login $REGISTRY -u "$DOCKER_USER" --password-stdin
+    
+            DOCKER_BUILDKIT=1 docker buildx build \
+              --platform ${PLATFORMS} \
+              -t ${IMAGE_NAME}:${GIT_SHA} \
+              -t ${IMAGE_NAME}:latest \
+	      --push \
+              .
+          '''
+        }
+      }
+    }
+  }
+}