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Docker in Production: Lessons from the Trenches by Justin Cormack, Joe Johnston, Milos Gajdos, Antoni Batchelli, John Fiedler

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Chapter 4. Web Environment

Let’s walk through a real live production web server environment run at RelateIQ for over a year now with Docker.

images/dockerfig1.jpg

This image has the following: stable and zero downtime deploys, rollbacks, centralized logging, monitoring, and a way to profile a JVM. Let’s look at a single machine closer.

images/dockerfig2.jpg

The web server is running a single AWS server with four containers running. Some of them are linked and some are not. It has multiple ports exposed to the host. It uses a load balancer (where it does health checks). All of the containers ...

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