Dockerfile

# Stage 1: Build
FROM gradle:8.8-jdk21 AS build
WORKDIR /app

# Copy gradle files first for better caching
COPY build.gradle settings.gradle gradle.properties ./
COPY gradle ./gradle

# Download dependencies
RUN gradle dependencies --no-daemon

# Copy source code
COPY src ./src

# Build the application
RUN gradle build -Dquarkus.package.jar.type=uber-jar --no-daemon

# Stage 2: Runtime
FROM eclipse-temurin:21-jre-alpine
WORKDIR /app

# Install necessary packages
RUN apk add --no-cache curl

# Create non-root user
RUN addgroup -g 1001 quarkus && \
    adduser -u 1001 -G quarkus -D quarkus

# Copy the uber-jar from build stage
COPY --from=build --chown=quarkus:quarkus /app/build/whatsapp-calculator-service-*-runner.jar app.jar

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/q/health || exit 1

# Switch to non-root user
USER quarkus

# Expose port
EXPOSE 8080

# Run the application
ENTRYPOINT ["java", "-Djava.util.logging.manager=org.jboss.logmanager.LogManager", "-jar", "app.jar"]