ci: Use DeepL docker repo and lightweight alpine images

Author: JanEbbing

.gitlab-ci.yml

@@ -7,12 +7,18 @@ include:
 # Global --------------------------
 
 # Use 17 (LTS) as base
-image: eclipse-temurin:17
+image: ${CI_REGISTRY_IMAGE}/eclipse-temurin:17-alpine
 
 variables:
   GRADLE_OPTS: "-Dorg.gradle.daemon=false"
   JAVA_TOOL_OPTIONS: ""
 
+workflow:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+    - if: $CI_COMMIT_TAG
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+
 stages:
   - check
   - build
@@ -25,18 +31,18 @@ before_script:
 
 # stage: check ----------------------
 
-spotless_base:
+.spotless_base:
   stage: check
   script: ./gradlew spotlessCheck
 
 spotless_scheduled:
-  extends: spotless_base
+  extends: .spotless_base
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
   retry: 2
 
 spotless_manual:
-  extends: spotless_base
+  extends: .spotless_base
   rules:
     - if: $CI_PIPELINE_SOURCE != "schedule"
 
@@ -60,7 +66,7 @@ license_check_manual:
 
 # stage: build ----------------------
 
-build_base:
+.build_base:
   stage: build
   script:
     - ./gradlew assemble
@@ -69,35 +75,35 @@ build_base:
       - deepl-java/build/
 
 build_scheduled:
-  extends: build_base
+  extends: .build_base
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
   retry: 2
 
 build_manual:
-  extends: build_base
+  extends: .build_base
   rules:
     - if: $CI_PIPELINE_SOURCE != "schedule"
 
 # stage: test -------------------------
 
-test_base:
+.test_base:
   stage: test
   extends: .test
   parallel:
     matrix:
-      - DOCKER_IMAGE: "eclipse-temurin:18"
-      - DOCKER_IMAGE: "openjdk:8"
+      - DOCKER_IMAGE: "eclipse-temurin:18-alpine"
+      - DOCKER_IMAGE: "openjdk:8-alpine"
         USE_MOCK_SERVER: "use mock server"
-      - DOCKER_IMAGE: "eclipse-temurin:8"
+      - DOCKER_IMAGE: "eclipse-temurin:8-alpine"
         USE_MOCK_SERVER: "use mock server"
-      - DOCKER_IMAGE: "eclipse-temurin:11"
+      - DOCKER_IMAGE: "eclipse-temurin:11-alpine"
         USE_MOCK_SERVER: "use mock server"
-      - DOCKER_IMAGE: "eclipse-temurin:17"
+      - DOCKER_IMAGE: "eclipse-temurin:17-alpine"
         USE_MOCK_SERVER: "use mock server"
-      - DOCKER_IMAGE: "eclipse-temurin:19"
+      - DOCKER_IMAGE: "eclipse-temurin:19-alpine"
         USE_MOCK_SERVER: "use mock server"
-  image: ${DOCKER_IMAGE}
+  image: ${CI_REGISTRY_IMAGE}/${DOCKER_IMAGE}
   script:
     - >
       if [[ ! -z "${USE_MOCK_SERVER}" ]]; then
@@ -117,29 +123,29 @@ test_base:
     when: always
 
 test_scheduled:
-  extends: test_base
+  extends: .test_base
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
   retry: 2
 
 test_manual:
   stage: test
-  extends: test_base
+  extends: .test_base
   rules:
     - if: $CI_PIPELINE_SOURCE != "schedule"
 
-test_examples_base:
+.test_examples_base:
   stage: test
   extends: .test
   parallel:
     matrix:
       - DOCKER_IMAGE: "maven:3.8"
-      - DOCKER_IMAGE: "maven:3.8-openjdk-18"
-      - DOCKER_IMAGE: "maven:3.8-openjdk-8"
+      - DOCKER_IMAGE: "maven:3.8-openjdk-18-slim"
+      - DOCKER_IMAGE: "maven:3.8-openjdk-8-slim"
       - DOCKER_IMAGE: "maven:3.9-sapmachine-17"
-      - DOCKER_IMAGE: "maven:3.8-eclipse-temurin-8"
-      - DOCKER_IMAGE: "maven:3.8-eclipse-temurin-18"
-  image: ${DOCKER_IMAGE}
+      - DOCKER_IMAGE: "maven:3.8-eclipse-temurin-8-focal"
+      - DOCKER_IMAGE: "maven:3.8-eclipse-temurin-18-alpine"
+  image: ${CI_REGISTRY_IMAGE}/${DOCKER_IMAGE}
   script:
     - cd examples/maven/deepl-test-app
     - mvn install -B -PbuildProject -l mvn_build.log
@@ -150,13 +156,13 @@ test_examples_base:
     when: always
 
 test_examples_scheduled:
-  extends: test_examples_base
+  extends: .test_examples_base
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
   retry: 2
 
 test_examples_manual:
-  extends: test_examples_base
+  extends: .test_examples_base
   rules:
     - if: $CI_PIPELINE_SOURCE != "schedule"
 

license_checker.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Usage: ./license_checker.sh source_code_pattern
 # Example: ./license_checker.sh '*.py'