feat(Tracer Bullet)

temp/ping-service/Dockerfile

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+FROM openjdk:17-jre-slim
+
+# Set working directory
+WORKDIR /app
+
+# Copy the ping-service JAR file
+COPY temp/ping-service/build/libs/*.jar app.jar
+
+# Expose port (will be assigned dynamically by Spring Boot)
+EXPOSE 8080
+
+# Add health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=20s --retries=3 \
+  CMD curl -f http://localhost:8080/ping || exit 1
+
+# Run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]