🎉 initial project setup

.gitattributes

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+*.bat text eol=crlf
+*.cmd text eol=crlf
+mvnw eol=lf

.github/workflows/all-tests.yml

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+name: All Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: All Tests
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: maven
+      - name: Build with Maven
+        run: ./mvnw verify
+      - name: Check clean git state
+        run: ./.github/workflows/check-clean-git-state.sh

.github/workflows/check-clean-git-state.sh

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+R=`git status --porcelain | wc -l`
+if [ "$R" -ne "0" ]; then
+  echo "The git repository is not clean after compiling and testing. Did you forget to commit or ignore files?";
+  git status --porcelain
+  exit 1;
+fi

.gitignore

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+/target/
+.gradle
+build/
+!**/src/main/**/target/
+!**/src/test/**/target/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+.DS_Store
+
+# The following files are generated/updated by vaadin-maven-plugin or vaadin-gradle-plugin
+src/main/dev-bundle
+node_modules/
+frontend/generated/
+pnpmfile.js
+.npmrc
+webpack.generated.js
+vite.generated.ts
+
+# Browser drivers for local integration tests
+drivers/
+
+# Error screenshots generated by TestBench for failed integration tests
+error-screenshots/
+
+# Eclipse and STS
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+# IntelliJ IDEA
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+# NetBeans
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+# VS Code
+.vscode/
+
+# The following are auto-generated by Vaadin if missing, but they should be added to source control if customized.
+tsconfig.json
+types.d.ts
+index.html

.gitpod.Dockerfile

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+FROM gitpod/workspace-full
+
+RUN sudo wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+RUN sudo apt-get -q update
+RUN sudo apt -y install ./google-chrome-stable_current_amd64.deb
+RUN sudo apt-get -y install libnss3\
+          libnspr4\
+          libatk1.0-0\
+          libatk-bridge2.0-0\
+          libcups2\
+          libdrm2\
+          libxkbcommon0\
+          libxcomposite1\
+          libxdamage1\
+          libxfixes3\
+          libxrandr2\
+          libgbm1\
+          libgtk-3-0\
+          libatspi2.0-0\
+          libx11-xcb-dev
+RUN sudo rm -rf /var/lib/apt/lists/*
+
+RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh \
+    && sdk update \
+    && sdk install java 21.0.2-tem \
+    && sdk default java 21.0.2-tem"

.gitpod.yml

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+tasks:
+  - init: mvn package -Pproduction
+
+    command: mvn
+ports:
+  - port: 8080
+    onOpen: open-preview
+image:
+  file: .gitpod.Dockerfile
+vscode:
+  extensions:
+    - [email protected]:llHUlx8TJ6tFKGa1t6dpLQ==
+    - [email protected]:gNh98vNbqtZC6ydHasFxAQ==
+    - [email protected]:1iLvjTfznJrV611qRUeOHg==

.mvn/wrapper/maven-wrapper.properties

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+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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
+#
+#   http://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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.6/apache-maven-3.9.6-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

Dockerfile

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+# Stage that builds the application, a prerequisite for the running stage
+FROM maven:3-openjdk-21-slim AS build
+RUN curl -sL https://deb.nodesource.com/setup_14.x | bash -
+RUN apt-get update -qq \
+    && apt-get install -y -qq --no-install-recommends nodejs \
+    && apt-get clean
+
+# Stop running as root at this point
+RUN useradd -m myuser
+WORKDIR /usr/src/app/
+RUN chown myuser:myuser /usr/src/app/
+USER myuser
+
+# Copy pom.xml and prefetch dependencies so a repeated build can continue from the next step with existing dependencies
+COPY --chown=myuser pom.xml ./
+RUN mvn dependency:go-offline -Pproduction
+
+# Copy all needed project files to a folder
+COPY --chown=myuser:myuser src src
+COPY --chown=myuser:myuser frontend frontend
+COPY --chown=myuser:myuser package.json ./
+
+# Using * after the files that are autogenerated so that so build won't fail if they are not yet created
+COPY --chown=myuser:myuser package-lock.json* pnpm-lock.yaml* webpack.config.js* ./
+
+
+# Build the production package, assuming that we validated the version before so no need for running tests again
+RUN mvn clean package -DskipTests -Pproduction
+
+# Running stage: the part that is used for running the application
+FROM openjdk:21-jdk-slim
+COPY --from=build /usr/src/app/target/*.jar /usr/app/app.jar
+RUN useradd -m myuser
+USER myuser
+EXPOSE 8080
+CMD java -jar /usr/app/app.jar