# Stage 1: Build the Maven artifact
FROM maven:3.9-eclipse-temurin-17 AS build
WORKDIR /app

# Optimize build by caching dependencies where possible
COPY pom.xml .
# Download dependencies
RUN mvn dependency:go-offline -B

# Copy source code and build the JAR
COPY src ./src
RUN mvn clean package -DskipTests

# Stage 2: Setup the runtime environment
FROM eclipse-temurin:17-jre
WORKDIR /app

# Copy the constructed fat JAR from the builder stage
COPY --from=build /app/target/starter-1.0.0-SNAPSHOT-fat.jar ./app.jar
COPY keystore.jceks ./

EXPOSE 8888

# Start the Vert.x application
ENTRYPOINT ["java", "-jar", "app.jar"]