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A Developer's Essential Guide to Docker Compose

You're reading from   A Developer's Essential Guide to Docker Compose Simplify the development and orchestration of multi-container applications

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Product type Paperback
Published in Oct 2022
Publisher Packt
ISBN-13 9781803234366
Length 264 pages
Edition 1st Edition
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Author (1):
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Emmanouil Gkatziouras Emmanouil Gkatziouras
Author Profile Icon Emmanouil Gkatziouras
Emmanouil Gkatziouras
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Table of Contents (19) Chapters Close

Preface 1. Part 1: Docker Compose 101
2. Chapter 1: Introduction to Docker Compose FREE CHAPTER 3. Chapter 2: Running the First Application Using Compose 4. Chapter 3: Network and Volumes Fundamentals 5. Chapter 4: Executing Docker Compose Commands 6. Part 2: Daily Development with Docker Compose
7. Chapter 5: Connecting Microservices 8. Chapter 6: Monitoring Services with Prometheus 9. Chapter 7: Combining Compose Files 10. Chapter 8: Simulating Production Locally 11. Chapter 9: Creating Advanced CI/CD Tasks 12. Part 3: Deployment with Docker Compose
13. Chapter 10: Deploying Docker Compose Using Remote Hosts 14. Chapter 11: Deploying Docker Compose to AWS 15. Chapter 12: Deploying Docker Compose to Azure 16. Chapter 13: Migrating to Kubernetes Configuration Using Compose 17. Index 18. Other Books You May Enjoy

Interacting with a Docker Compose service

We ran Redis on Compose and we shelled to that instance in order to run some commands and add data. Obviously, interacting with that instance doesn’t require us to shell on it. The instance has been configured to have the port 6379 bound to our local port 6379.

For example, we should be able to interact with that instance by a redis-cli client that has localhost access. In the following, you can see another Redis Docker image accessing our Compose-managed Redis:

$ docker run --rm -it --entrypoint bash redis -c 'redis-cli -h host.docker.internal -p 6379'
host.docker.internal:6379> ZRANGE tasks 0 -1 WITHSCORES
1) "8b171ce0-6f7b-4c22-aa6f-8b110c19f83a"
2) "1645275972000"
host.docker.internal:6379>

We can see that the entry that we added previously has been displayed on this terminal session. We are successfully interacting with the Compose service from the outside, so we shall proceed with adapting...

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