Also, you don’t want to manually launch the Docker containers and implement your own system that takes care of checking if the containers are still running, and if not, relaunch them.Īt this juncture, you realize there are two related challenges you’ve been running into: networking and service discovery. So, you’re satisfied with how quickly you were able to port an existing, say, Python app, to Docker and you want to connect it to another container that has a database, such as PostgreSQL. When you start building your applications with Docker, you’re excited about the capabilities and opportunities you encounter: it runs the same in dev and in prod, it’s straightforward to put together a Docker image, and the distribution is taken care of by tools like the Docker hub. A downloadable edition is also available.ĭocker will be covered at the O'Reilly Velocity Conference, Nov. This is the full ebook Docker Networking and Service Discovery, by Michael Hausenblas.
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