Docker and the Birth of Cloud Native Thinking
2014 was the year Docker went from being a curious experiment to the foundation of modern application deployment. As someone who spent countless hours dealing with "it works on my machine" problems, Docker felt like magic—but it was actually much more profound than that. The Promise of Containerization: Docker wasn't just solving deployment problems; it was changing how we think about applications themselves. For the first time, we could package our applications with their entire runtime environment, making them truly portable across different infrastructures. dockerfile FROM openjdk:8-jre-slim WORKDIR /app COPY target/spring-app.jar app.jar EXPOSE 8080 CMD ["java", "-jar", "app.jar"] This simple Dockerfile represented a revolution in thinking. We were no longer building applications for specific servers—we were building applications that could run anywhere. The concept of "cloud native" was still forming ...