spring-petclinic/.devcontainer/Dockerfile

# Build stage
FROM registry.access.redhat.com/ubi8/openjdk-17:latest as builder

# Install required packages
USER root
RUN microdnf install -y tar gzip

# Switch back to default user
USER 1001

WORKDIR /app

# Copy Maven wrapper and POM
COPY --chown=1001:0 .mvn/ .mvn/
COPY --chown=1001:0 mvnw pom.xml ./
RUN chmod +x mvnw

# Download dependencies
RUN ./mvnw dependency:go-offline

# Copy source code
COPY --chown=1001:0 src ./src

# Build the application
RUN ./mvnw package -DskipTests

# Run stage
FROM registry.access.redhat.com/ubi8/openjdk-17-runtime:latest

WORKDIR /app

# Copy the built artifact from builder stage
COPY --from=builder /app/target/*.jar app.jar

# Container runs on port 8080
EXPOSE 8080

# Set the startup command
ENTRYPOINT ["java", "-jar", "app.jar"]