ci: add Jenkinsfile, improve Dockerfile

Signed-off-by: Jakub Sokołowski <jakub@status.im>

.dockerignore

@@ -0,0 +1,3 @@
+Jenkinsfile
+README.md
+build

Dockerfile

@@ -14,8 +14,9 @@ FROM debian:12.5-slim
 LABEL maintainer="richard@status.im"
 LABEL source="https://github.com/waku-org/storenode-messages"
 LABEL description="Storenode message count verifier"
+LABEL commit="unknown"
 
 COPY --from=builder /go/src/github.com/waku-org/storenode-messages/build/storemsgcounter /usr/local/bin/storemsgcounter
 
 ENTRYPOINT ["/usr/local/bin/storemsgcounter"]
-CMD ["-help"]
+CMD ["-help"]

Jenkinsfile

@@ -0,0 +1,54 @@
+#!/usr/bin/env groovy
+pipeline {
+  agent { label 'linux' }
+
+  parameters {
+    string(
+      name: 'IMAGE_TAG',
+      defaultValue: params.IMAGE_TAG ?: 'latest',
+      description: 'Optional Docker image tag to push.'
+    )
+  }
+
+  options {
+    disableConcurrentBuilds()
+    /* manage how many builds we keep */
+    buildDiscarder(logRotator(
+      numToKeepStr: '20',
+      daysToKeepStr: '30',
+    ))
+  }
+
+  environment {
+    DOCKER_REGISTRY = 'harbor.status.im'
+    IMAGE_NAME = 'wakuorg/storenode-messages-counter'
+    IMAGE_DEFAULT_TAG = "${env.GIT_COMMIT.take(8)}"
+  }
+
+  stages {
+    stage('Build') {
+      steps { script {
+        image = docker.build(
+          "${DOCKER_REGISTRY}/${IMAGE_NAME}:${IMAGE_DEFAULT_TAG}",
+          "--build-arg='commit=${GIT_COMMIT}' .",
+        )
+      } }
+    }
+
+    stage('Deploy') {
+      when { expression { params.IMAGE_TAG != '' } }
+      steps { script {
+        withDockerRegistry([
+          credentialsId: 'harbor-telemetry-robot',
+          url: 'https://${DOCKER_REGISTRY}',
+        ]) {
+          image.push(params.IMAGE_TAG)
+        }
+      } }
+    }
+  }
+
+  post {
+    cleanup { cleanWs() }
+  }
+}