feat(spring-databases-example): first commit

Author: igorcampos-dev

.github/workflows/spring-databases-example.yml

@@ -0,0 +1,37 @@
+name: spring-databases-example CI Build
+
+on:
+  pull_request:
+    branches: [master]
+    paths:
+      - "spring-databases-example/**"
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+
+  integration-tests:
+    name: Run Unit & Integration Tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: spring-databases-example
+    strategy:
+      matrix:
+        distribution: [ 'temurin' ]
+        java: [ '21' ]
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK ${{ matrix.java }}
+        uses: actions/[email protected]
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: ${{ matrix.distribution }}
+          cache: 'maven'
+      - name: Build and analyze
+        run: ./mvnw clean verify

pom.xml

@@ -18,6 +18,7 @@
         <module>spring-jasper-example</module>
         <module>spring-oracle-example</module>
         <module>spring-multimodule-example</module>
+        <module>spring-databases-example</module>
     </modules>
 
 </project>

spring-databases-example/mysql-example/.dockerignore

@@ -0,0 +1,62 @@
+# Include any files or directories that you don't want to be copied to your
+# container here (e.g., local build artifacts, temporary files, etc.).
+#
+# For more help, visit the .dockerignore file reference guide at
+# https://docs.docker.com/go/build-context-dockerignore/
+
+**/.DS_Store
+**/.classpath
+**/.dockerignore
+**/.env
+**/.factorypath
+**/.git
+**/.gitignore
+**/.idea
+**/.project
+**/.sts4-cache
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/.next
+**/.cache
+**/*.dbmdl
+**/*.jfm
+**/charts
+**/docker-compose*
+**/compose.y*ml
+**/Dockerfile*
+**/secrets.dev.yaml
+**/values.dev.yaml
+**/vendor
+LICENSE
+README.md
+**/*.class
+**/*.iml
+**/*.ipr
+**/*.iws
+**/*.log
+**/.apt_generated
+**/.gradle
+**/.gradletasknamecache
+**/.nb-gradle
+**/.springBeans
+**/build
+**/dist
+**/gradle-app.setting
+**/nbbuild
+**/nbdist
+**/nbproject/private
+**/target
+*.ctxt
+.mtj.tmp
+.mvn/timing.properties
+buildNumber.properties
+dependency-reduced-pom.xml
+hs_err_pid*
+pom.xml.next
+pom.xml.releaseBackup
+pom.xml.tag
+pom.xml.versionsBackup
+release.properties
+replay_pid*

spring-databases-example/mysql-example/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

spring-databases-example/mysql-example/Dockerfile

@@ -0,0 +1,47 @@
+FROM eclipse-temurin:21-jdk-jammy as deps
+
+WORKDIR /build
+
+COPY --chmod=0755 mvnw mvnw
+COPY .mvn/ .mvn/
+
+RUN --mount=type=bind,source=pom.xml,target=pom.xml \
+    --mount=type=cache,target=/root/.m2 ./mvnw dependency:go-offline -DskipTests
+
+FROM deps as package
+
+WORKDIR /build
+
+COPY ./src src/
+RUN --mount=type=bind,source=pom.xml,target=pom.xml \
+    --mount=type=cache,target=/root/.m2 \
+    ./mvnw package -DskipTests && \
+    mv target/$(./mvnw help:evaluate -Dexpression=project.artifactId -q -DforceStdout)-$(./mvnw help:evaluate -Dexpression=project.version -q -DforceStdout).jar target/app.jar
+
+FROM package as extract
+
+WORKDIR /build
+
+RUN java -Djarmode=layertools -jar target/app.jar extract --destination target/extracted
+
+FROM eclipse-temurin:21-jre-jammy AS final
+
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    appuser
+USER appuser
+
+COPY --from=extract build/target/extracted/dependencies/ ./
+COPY --from=extract build/target/extracted/spring-boot-loader/ ./
+COPY --from=extract build/target/extracted/snapshot-dependencies/ ./
+COPY --from=extract build/target/extracted/application/ ./
+
+EXPOSE 8080
+
+ENTRYPOINT [ "java", "org.springframework.boot.loader.launch.JarLauncher" ]

spring-databases-example/mysql-example/compose.yaml

@@ -0,0 +1,27 @@
+
+services:
+
+  app-mysql:
+    container_name: app-mysql
+    build:
+      context: .
+    ports:
+      - "8080:8080"
+    environment:
+      SPRING_DATASOURCE_URL: jdbc:mysql://mysql-container:3306/myapp_db?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
+      SPRING_DATASOURCE_USERNAME: myapp_user
+      SPRING_DATASOURCE_PASSWORD: user123
+      SPRING_DATASOURCE_DRIVER: com.mysql.cj.jdbc.Driver
+      SPRING_JPA_HIBERNATE_DDL_AUTO: none
+      SPRING_JPA_SHOW_SQL: false
+
+  mysql:
+    image: mysql:8.1
+    container_name: mysql-container
+    ports:
+      - "3306:3306"
+    environment:
+      MYSQL_ROOT_PASSWORD: root123
+      MYSQL_DATABASE: myapp_db
+      MYSQL_USER: myapp_user
+      MYSQL_PASSWORD: user123