Preparing for a new conference

Author: klakegg

.dockerignore

@@ -2,5 +2,9 @@
 !target/*-runner-*
 !target/*-runner.jar
 !target/lib/*
+!src
+!pom.xml
+!mvnw
+!.mvn
 !target/quarkus-app/*
 .env

Dockerfile

@@ -0,0 +1,46 @@
+####
+# Multi-stage Dockerfile for building and running the Quarkus application in JVM mode
+#
+# Build and run the container using:
+#
+# docker build -t quarkus/submit-jvm .
+# docker run -i --rm -p 8080:8080 quarkus/submit-jvm
+#
+###
+
+# Stage 1: Build the application
+FROM registry.access.redhat.com/ubi8/openjdk-21:1.20 AS builder
+
+USER root
+WORKDIR /build
+
+# Copy Maven wrapper and pom.xml first for better layer caching
+COPY --chown=185 mvnw pom.xml ./
+COPY --chown=185 .mvn .mvn
+
+# Download dependencies (cached if pom.xml unchanged)
+RUN ./mvnw dependency:go-offline -B
+
+# Copy source code
+COPY --chown=185 src src
+
+# Build the application
+RUN ./mvnw package -DskipTests -B
+
+# Stage 2: Runtime image
+FROM registry.access.redhat.com/ubi8/openjdk-21:1.20
+
+ENV LANGUAGE='en_US:en'
+
+# We make four distinct layers so if there are application changes the library layers can be re-used
+COPY --from=builder --chown=185 /build/target/quarkus-app/lib/ /deployments/lib/
+COPY --from=builder --chown=185 /build/target/quarkus-app/*.jar /deployments/
+COPY --from=builder --chown=185 /build/target/quarkus-app/app/ /deployments/app/
+COPY --from=builder --chown=185 /build/target/quarkus-app/quarkus/ /deployments/quarkus/
+
+EXPOSE 8080
+USER 185
+ENV JAVA_OPTS_APPEND="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
+ENV JAVA_APP_JAR="/deployments/quarkus-run.jar"
+
+ENTRYPOINT [ "/opt/jboss/container/java/run/run-java.sh" ]

compose.yaml

@@ -41,7 +41,7 @@ services:
       - moresleep
 
   cake:
-    image: ghcr.io/javabin/cake-redux:edge
+    image: ghcr.io/javabin/cake-redux@sha256:1010acc839eccd5694743efd676ada2ff40e0dedc6dc75025ecbc33976821a9c
     command: ["env-only"]
     ports:
       - "8081:8081"