Create Dockerfile

smarketing-java/deployment/container/Dockerfile

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+# Multi-stage build for Spring Boot application
+FROM gradle:8.13-jdk17 AS builder
+
+# Build arguments
+ARG BUILD_LIB_DIR
+ARG ARTIFACTORY_FILE
+
+WORKDIR /app
+
+# Copy source code (assumed to be already built)
+# The JAR file should be copied from the build context
+COPY ${BUILD_LIB_DIR}/${ARTIFACTORY_FILE} app.jar
+
+# Runtime stage
+FROM openjdk:17-jre-slim
+
+# Install necessary packages
+RUN apt-get update && apt-get install -y \
+    curl \
+    netcat-traditional \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN groupadd -r appuser && useradd -r -g appuser appuser
+
+# Set working directory
+WORKDIR /app
+
+# Copy JAR from builder stage
+COPY --from=builder /app/app.jar app.jar
+
+# Change ownership
+RUN chown -R appuser:appuser /app
+
+# Switch to non-root user
+USER appuser
+
+# Expose port (will be overridden by environment variables)
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8080/actuator/health || exit 1
+
+# Run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]