Switch to Maven for build tool

.github/workflows/ci.yml

@@ -1,20 +1,22 @@
-name: CI
+name: ci-build
 
 on:
   push:
-    branches:    
-      - master    
+    branches:
+      - master
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up JDK 11
-      uses: actions/setup-java@v1
-      with:
-        java-version: 11
-    - name: Build with Gradle
-      run: ./gradlew build
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Grant execute permission for mvnw
+        run: chmod +x mvnw
+      - name: Build with Maven
+        run: ./mvnw install

.github/workflows/daily.yml

@@ -0,0 +1,21 @@
+name: daily-build
+
+on:
+  schedule:
+    - cron: "0 6 * * *"
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Grant execute permission for mvnw
+        run: chmod +x mvnw
+      - name: Build with Maven
+        run: ./mvnw install

.github/workflows/pr.yml

@@ -0,0 +1,19 @@
+name: pr-build
+
+on: [pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Grant execute permission for mvnw
+        run: chmod +x mvnw
+      - name: Build with Maven
+        run: ./mvnw install

.gitignore

@@ -1,5 +1,5 @@
-# Created by https://www.gitignore.io/api/osx,java,linux,gradle,intellij+all
-# Edit at https://www.gitignore.io/?templates=osx,java,linux,gradle,intellij+all
+# Created by https://www.gitignore.io/api/java,linux,macos,maven,intellij+all
+# Edit at https://www.gitignore.io/?templates=java,linux,macos,maven,intellij+all
 
 ### Intellij+all ###
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
@@ -35,6 +35,8 @@
 # .idea/modules.xml
 # .idea/*.iml
 # .idea/modules
+# *.iml
+# *.ipr
 
 # CMake
 cmake-build-*/
@@ -82,6 +84,9 @@ modules.xml
 .idea/misc.xml
 *.ipr
 
+# Sonarlint plugin
+.idea/sonarlint
+
 ### Java ###
 # Compiled class file
 *.class
@@ -122,7 +127,7 @@ hs_err_pid*
 # .nfs files are created when an open file is removed but is still being accessed
 .nfs*
 
-### OSX ###
+### macOS ###
 # General
 .DS_Store
 .AppleDouble
@@ -150,24 +155,17 @@ Network Trash Folder
 Temporary Items
 .apdisk
 
-### Gradle ###
-.gradle
-/build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
-# Cache of project
-.gradletasknamecache
-
-# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
-# gradle/wrapper/gradle-wrapper.properties
-
-### Gradle Patch ###
-**/build/
-
-# End of https://www.gitignore.io/api/osx,java,linux,gradle,intellij+al
-
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+.flattened-pom.xml
+
+# End of https://www.gitignore.io/api/java,linux,macos,maven,intellij+all

.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

HELP.md

@@ -0,0 +1,22 @@
+# Getting Started
+
+### Reference Documentation
+For further reference, please consider the following sections:
+
+* [Official Apache Maven documentation](https://maven.apache.org/guides/index.html)
+* [Spring Boot Maven Plugin Reference Guide](https://docs.spring.io/spring-boot/docs/2.2.4.RELEASE/maven-plugin/)
+* [Spring Boot Actuator](https://docs.spring.io/spring-boot/docs/2.2.4.RELEASE/reference/htmlsingle/#production-ready)
+
+### Guides
+The following guides illustrate how to use some features concretely:
+
+* [Building a RESTful Web Service with Spring Boot Actuator](https://spring.io/guides/gs/actuator-service/)
+
+### Building and Running
+
+```shell script
+./mvnw clean install
+mkdir -p target/dependency && (cd target/dependency; jar -xf ../*.jar)
+docker build -t net.ssimmie.todos/application .
+docker run -p 9090:9090 net.ssimmie.todos/application:latest
+```

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 Sean Simmie
+Copyright (c) 2020 Sean Simmie
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -2,17 +2,3 @@
 
 Todos API
 
-## Runtime
-
-Google Distroless
-AWS ECS Fargate 
-
-## Build Environment
-
-AWS CodeBuild
-
-![Build Status](https://codebuild.eu-west-1.amazonaws.com/badges?uuid=eyJlbmNyeXB0ZWREYXRhIjoibm13dXMxeUZlT2xDM204N1c1YXlwQkF4SkFKbWVtTkN4bGhXZmdpOFFLYmsvSEpNaFFFZGpua3pmTHYrald2SUprQjFXMlMxeGg3SzVldzBqL01iWmF3PSIsIml2UGFyYW1ldGVyU3BlYyI6IlNZaG1mM1NtVW5YeEJpRTMiLCJtYXRlcmlhbFNldFNlcmlhbCI6MX0%3D&branch=master)
-
-## Deployment
-
-AWS ECS Blue/Green

Dockerfile → application/Dockerfile

@@ -1,8 +1,8 @@
 FROM gcr.io/distroless/java:11
 VOLUME /tmp
-ARG DEPENDENCY=build/dependency
+ARG DEPENDENCY=target/dependency
 COPY ${DEPENDENCY}/BOOT-INF/lib /app/lib
 COPY ${DEPENDENCY}/META-INF /app/META-INF
 COPY ${DEPENDENCY}/BOOT-INF/classes /app
 ENTRYPOINT ["java","-cp","app:app/lib/*","net.ssimmie.todos.TodosApplication"]
-EXPOSE 8080
+EXPOSE 9090