initial commit

Dockerfile

@@ -0,0 +1,12 @@
+ARG BASE_IMAGE="adoptopenjdk/openjdk14:alpine-slim"
+
+FROM ${BASE_IMAGE}
+
+# Install docker-cli, docker-compose, git, bash
+RUN apk update && \
+    apk add --no-cache docker-cli python3 py3-pip git bash && \
+    apk add --no-cache --virtual .docker-compose-deps python3-dev libffi-dev openssl-dev gcc libc-dev make && \
+    pip3 install docker-compose && \
+    apk del .docker-compose-deps
+
+

Jenkinsfile

@@ -0,0 +1,47 @@
+def imageName = "jdk14-alpine"
+def releaseTagPrefix = "release-"
+def registryHost = "git.tswf.io"
+
+def resolveImageTag(env) {
+    return env.TAG_NAME?.replace(releaseTagPrefix, '') ?: 'latest'
+}
+
+def resolveImageName(env) {
+    return "${registryHost}/docker-base-images/${imageName}:${resolveImageTag(env)}"
+}
+
+pipeline {
+    agent {
+        docker {
+            image 'alpine/git:2.36.3'
+            // Mount docker socket for docker-in-docker
+            args '-v /var/run/docker.sock:/var/run/docker.sock'
+        }
+    }
+    stages {
+        stage('prepare') {
+            steps {
+                // Try to get tag name from git repo if it empty. By default this env fills only at tag builds in Jenkins
+                script {
+                    if (env.TAG_NAME == null) {
+                        env.TAG_NAME = sh(returnStdout: true, script: "git tag --points-at HEAD").trim()
+                    }
+                }
+            }
+        }
+        stage('build_docker') {
+            steps {
+                sh "docker build . --tag ${resolveImageName(env)}"
+            }
+        }
+        stage('push_docker') {
+            when {
+                tag "${releaseTagPrefix}*"
+            }
+            steps {
+                sh "docker login ${registryHost} -u ${env.GITEA_USER} -p ${env.GITEA_OAUTH_TOKEN}"
+                sh "docker image push ${resolveImageName(env)}"
+            }
+        }
+    }
+}