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chore(spring-keycloak-example): add support to docker
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‎spring-keycloak-example/.dockerignore‎

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

‎spring-keycloak-example/Dockerfile‎

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FROM eclipse-temurin:21-jdk-jammy as deps
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WORKDIR /build
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COPY --chmod=0755 mvnw mvnw
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COPY .mvn/ .mvn/
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RUN --mount=type=bind,source=pom.xml,target=pom.xml \
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--mount=type=cache,target=/root/.m2 ./mvnw dependency:go-offline -DskipTests
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FROM deps as package
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WORKDIR /build
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COPY ./src src/
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RUN --mount=type=bind,source=pom.xml,target=pom.xml \
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--mount=type=cache,target=/root/.m2 \
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./mvnw package -DskipTests && \
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mv target/$(./mvnw help:evaluate -Dexpression=project.artifactId -q -DforceStdout)-$(./mvnw help:evaluate -Dexpression=project.version -q -DforceStdout).jar target/app.jar
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FROM package as extract
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WORKDIR /build
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RUN java -Djarmode=layertools -jar target/app.jar extract --destination target/extracted
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FROM eclipse-temurin:21-jre-jammy AS final
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ARG UID=10001
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RUN adduser \
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--disabled-password \
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--gecos "" \
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--home "/nonexistent" \
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--shell "/sbin/nologin" \
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--no-create-home \
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--uid "${UID}" \
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appuser
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USER appuser
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COPY --from=extract build/target/extracted/dependencies/ ./
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COPY --from=extract build/target/extracted/spring-boot-loader/ ./
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COPY --from=extract build/target/extracted/snapshot-dependencies/ ./
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COPY --from=extract build/target/extracted/application/ ./
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EXPOSE 80
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ENTRYPOINT [ "java", "org.springframework.boot.loader.launch.JarLauncher" ]

‎spring-keycloak-example/Dockerfile.keycloak‎

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FROM quay.io/keycloak/keycloak:26.3 AS builder
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WORKDIR /opt/keycloak
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RUN /opt/keycloak/bin/kc.sh build
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FROM quay.io/keycloak/keycloak:26.3
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COPY --from=builder /opt/keycloak/ /opt/keycloak/
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ENTRYPOINT ["/opt/keycloak/bin/kc.sh", "start"]

‎spring-keycloak-example/compose.yaml‎

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services:
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app:
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container_name: app
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build:
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context: .
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dockerfile: Dockerfile
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environment:
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SERVER_PORT: 80
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SPRING_PROFILES_ACTIVE: "default"
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ports:
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- "80:80"
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depends_on:
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- keycloak
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keycloak:
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container_name: keycloak
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build:
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context: .
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dockerfile: Dockerfile.keycloak
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ports:
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- "8080:8080"
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environment:
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KC_DB: dev-file
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KC_HTTP_ENABLED: "true"
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KC_HTTP_PORT: "8080"
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KC_HOSTNAME: localhost
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KC_HEALTH_ENABLED: "true"
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KC_METRICS_ENABLED: "true"
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KEYCLOAK_ADMIN: admin #⚠️ DO NOT USE IN PRODUCTION
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KEYCLOAK_ADMIN_PASSWORD: admin #⚠️ DO NOT USE IN PRODUCTION
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KC_HTTPS_CERTIFICATE_FILE: /opt/keycloak/certs/tls.crt
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KC_HTTPS_CERTIFICATE_KEY_FILE: /opt/keycloak/certs/tls.key
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volumes:
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- ./docker/keycloak:/opt/keycloak/certs

‎spring-keycloak-example/docker/keycloak/cert-info.md‎

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TLS Certificates for Keycloak
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These certificates were manually generated using the following command:
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```bash
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openssl req -x509 -newkey rsa:4096 -keyout tls.key -out tls.crt -days 365 -nodes \
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-subj "/CN=localhost"
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```

‎spring-keycloak-example/docker/keycloak/tls.crt‎

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-----BEGIN CERTIFICATE-----
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MIIFCTCCAvGgAwIBAgIUIyugoLVFZznlfIT1+VwNY7TKaH0wDQYJKoZIhvcNAQEL
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BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI1MDgwMjAwNDYzM1oXDTI2MDgw
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MjAwNDYzM1owFDESMBAGA1UEAwwJbG9jYWxob3N0MIICIjANBgkqhkiG9w0BAQEF
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AAOCAg8AMIICCgKCAgEA59ml/0oqbcJ1JnLoPCKtkma7mSow0hFLZDE26N52R+4K
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r4Oq9TCeYGrcUB8unvKP2irVMoKnUD+PyUErzg/ZLLCnjEleNp83QuAYPTTpe0xE
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MBaAFO/90I29W64gE7TsZLYRQm/AafCoMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZI
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hvcNAQELBQADggIBAL9SLQ+Get1P7WMv4EAaxaktKgAvNpoSu8C57Cp0Gm07wkYP
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wx+iQ65NsZZgqXDkzHdsV1Qp4ETNFrd/zhgYx0LEVCVDkHGcxFeadDm5biSm942b
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7l4hBXQbDP83FyedVyUimRsyC1xacBZUmFN6E2w1H+fDsWSFP4PbawXo6AldWZkh
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pM5CC36cyXeTUb2qhLnX0qJy29O2ixmNlSGDR0cH6cyK0Qorh7NiS3c4M5l7FRTC
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dwcQxKY1pTQ8KLTTeDNBqXwegl2UbH4SPMIBUnpYUcRaHiFOGKa0CZLe4nr/Jjaj
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rNcRq7ddeastfYEzBn9oympmkTuKkNYBjiGYYPBYFy9XpxjqCxC++YmR1rzdt91w
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RJ3pPopRm0RHx4lX9o9sqNn9xYb0wCJRq4A5Tez7Q0lUY8uAQGQdLFnikIS/GSAT
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avSR4O3pgyj9Ua0BxXKOkXmLDpMurF5a9LB1eyoFV8H80Uj4lqmrYpgA6BUyy6By
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G85ca6K9UZczGUHFtttqMZrSqOqBJxkipfktlcqNBqUqNvgk1JjsWysjL2fcQ7Xq
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fXIdSd5OWf2Gq6pPFCWo4Qff7Bx8kfTNsaYcEuA0dsJysjYv9uQ3T4FmRSJuDNAZ
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ceq3T5dzNHSP0cp9fb7WxZCfMsQuZUyYJy/O6g3xIrykPS076Mgn+KLVoKJ9
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-----END CERTIFICATE-----

‎spring-keycloak-example/docker/keycloak/tls.key‎

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-----BEGIN PRIVATE KEY-----
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MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQDn2aX/SiptwnUm
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cug8Iq2SZruZKjDSEUtkMTbo3nZH7gpfDe2uA1bYkvZnfFBMydHAd0zAp25ONBCh
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vr1s/QrvHgXqc2yuLHi7zyk6Kjyv4Ppwlfd5Gd8OoNyUYJTLvqqql7lZSdAGw4pV
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9XZ28AotvVo223DwTaEzT9EZbWb2YocomW+NL/ipMfy2abkAjt4Qll8diw40DPD/
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GwqEWQ/BfYWQaf795+qYnu58cywPm0PM31+O+32JiGFYq4kDakXCiX40PP7bnDyS
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zLGcfwcpESpKSmDeXajC7CsFEb4Xe+EgAXEloLQIa9Rjey6ogBQJhxo/F5zGNZLT
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zJJm6iOHbuzf/1258PHUJJcJfX6JL5SVg4QjtJouroohujwF+uSoM2tQjrAnEs5i
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uiS/WzZdKDiAR4JeHxVyMrattSzxAAjqVqSvWEC68Kro+oSxFyKgzNQEt5vevSSV
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HOGwwxxGA/1b2tl6Qt8CGopWqtF8tY2vg6r1MJ5gatxQHy6e8o/aKtUygqdQP4/J
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QSvOD9kssKeMSV42nzdC4Bg9NOl7TEQ6z4oKS7DgxvmzgFtYabuN44C8auMsszN1
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oNFhoyniYIvnB9sZNXGh2T0uo/gPxwIDAQABAoICAC+LCyYpkD/Hs3w57fN+7Pbr
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iCalZzN8hmg6S1c/XyPq5UeOtKGNX76zjEG2VUUZ0aBVFnEfJFh3Br4UPgXeceKM
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D7zB2RSIl+CJsCQLYI3zZZ2mU+j5SOsbe66hD7lULRrKUJnowNZjbSqrdt+lHRuS
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uMG3QRReyNeiW94qEHSf1FgVc4qA/MGKEUjTdm6yD6GPvMlKlnu03Kg6S6psdvlB
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1KM+PBcgQvEiyUIWVlbDKRyTlH4auzpMku3eaNZ/EuMKJHb+EzBKMa9ygVe09tLl
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4E0CggEBAKCluHMtKRJjJaKTjd9PBwpOZP6vFcg/3WW7IE33DQn4oHrkU1MpCpo3
47+
824N8czjtoNkCFaWSadnKYWDC0bBGOjYvtRGIcN6nc/KlTjRI3rXi/fcDRSkvCNY
48+
Vgtdj+PYN6esE8C/VneAJLC10qN4VVYNlR3IWRlwoBt4SPXWaNRS+GLrmcg4AzHK
49+
qqu/whehbiVqet99Qb25cZZSJ6RVOKJb5d/JCWcFL+Sk4FqFRj8MErKP9tzT4JDV
50+
dRxtmN+SdcbTgzl4bXwPWrKoLMnxCBctZmc4DyJ8ox7kwmk0THHUo3bWJpiiOLBx
51+
utRIzWgC4BNP6uYA4TSUi3a+Amq5C0U=
52+
-----END PRIVATE KEY-----

‎spring-keycloak-example/src/main/resources/banner.txt‎

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,---. ,--. ,--. ,--. ,--. ,--.
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' .-' ,---. ,--.--.`--',--,--, ,---. ,-----.| .' / ,---. ,--. ,--.,---.| | ,---. ,--,--.| |,-.
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`. `-. | .-. || .--',--.| \| .-. |'-----'| . ' | .-. : \ ' /| .--'| || .-. |' ,-. || /
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.-' || '-' '| | | || || |' '-' ' | |\ \\ --. \ ' \ `--.| |' '-' '\ '-' || \ \
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`-----' | |-' `--' `--'`--''--'.`- / `--' '--' `----'.-' / `---'`--' `---' `--`--'`--'`--'
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`--' `---' `---'
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SPRING-KEYCLOAK-EXAMPLE

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