initial commit

Dockerfile

@@ -0,0 +1,15 @@
+ARG BASE_IMAGE="nginx"
+
+FROM ${BASE_IMAGE}
+
+# Install groovy
+ENV GROOVY_HOME=/opt/groovy
+ENV GROOVY_VERSION=4.0.9
+
+# Install ping and ip
+RUN apt update && \
+    apt install iproute2 && \
+    apt install iputils-ping
+
+ENTRYPOINT [ "docker-entrypoint.sh" ]
+CMD [ "app" ]

Jenkinsfile

@@ -0,0 +1,45 @@
+def resolveImageTag(env) {
+    return env.TAG_NAME?.replace(env.RELEASE_TAG_PREFIX, '') ?: 'latest'
+}
+
+def resolveImageName(env) {
+    return "${env.REGISTRY_HOST}/docker-base-images/${env.IMAGE_BASE_NAME}:${resolveImageTag(env)}"
+}
+
+pipeline {
+    agent {
+        docker {
+            image 'git.tswf.io/docker-base-images/alpine-base:1.0.0-3.17.3'
+            // Mount docker socket for docker-in-docker
+            args '-v /var/run/docker.sock:/var/run/docker.sock'
+        }
+    }
+    stages {
+        stage('prepare') {
+            steps {
+                script {
+                    env.IMAGE_BASE_NAME = "jdk14-alpine"
+                    env.RELEASE_TAG_PREFIX = "release-"
+                    env.REGISTRY_HOST = "git.tswf.io"
+                    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 ${resolveImageName(env)}"
+            }
+        }
+        stage('push_docker') {
+            when {
+                tag "${env.RELEASE_TAG_PREFIX}*"
+            }
+            steps {
+                sh "docker login ${env.REGISTRY_HOST} -u ${env.GITEA_USER} -p ${env.GITEA_OAUTH_TOKEN}"
+                sh "docker image push ${resolveImageName(env)}"
+            }
+        }
+    }
+}

docker-entrypoint.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -Eeo pipefail
+
+if [ -f "/invoke_initial_script.sh" ]; then
+  chmod +x /invoke_initial_script.sh
+  source /invoke_initial_script.sh
+fi
+
+if [[ "$1" = 'app' ]]; then
+    exec nginx -g 'daemon off;'
+else
+    exec "$@"
+fi