What is Docker Compose | How to create docker compose file | How to use Compose
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I am Raghav & Today we will learn :
1. What | Why – Docker Compose
2. How to install
3. How to create docker compose file
4. How to use docker compose file to create services
5. Basic Commands
TIPS
Docker compose
: tool for defining & running multi-container docker applications
: use yaml files to configure application services (docker-compose.yml)
: can start all services with a single command : docker compose up
: can stop all services with a single command : docker compose down
: can scale up selected services when required
Step 1 : install docker compose
(already installed on windows and mac with docker)
docker-compose -v
2 Ways
1. https://github.com/docker/compose/releases
2. Using PIP
pip install -U docker-compose
Step 2 : Create docker compose file at any location on your system
docker-compose.yml
Step 3 : Check the validity of file by command
docker-compose config
Step 4 : Run docker-compose.yml file by command
docker-compose up -d
Steps 5 : Bring down application by command
docker-compose down
TIPS
How to scale services
—scale
docker-compose up -d –scale database=4
References:
https://hub.docker.com
https://github.com/docker/compose/releases
https://docs.docker.com/compose/compose-file/
https://www.google.co.in/search?q=microservices+example&rlz=1C5CHFA_enIN734IN734&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjE3LPQqYfcAhXGpY8KHQHmB4gQ_AUICigB#imgrc=4466IjbSng_wcM:
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25 Comments
Automation Step by Step
May 09, 2022 11:51 amFree online courses – https://automationstepbystep.com/online-courses/
Chamindu Yasitha
May 09, 2022 11:51 amThat was very helpful
Mohdsiddique Bagwan
May 09, 2022 11:51 amReally good video. Just one piece of feedback, you can keep the docker-compose.yml file open, don't need to close it many times
Vignesh Palanisamy
May 09, 2022 11:51 amHi, in yml we are saying service and all other values like web , database. But can you please tell me why i need to use service and why i can not use other name instead of service. Where these values are defined? How docker knows this value? Thank for your help
Kalaivani Ravishankar
May 09, 2022 11:51 amsuch a wonderful explanation. Thank you so much for short and crisp explanation. Iam a beginner, your videos helped me a lot .
Suresh Thota
May 09, 2022 11:51 amI used this command docker-compose up -d –scale web=4 and i got this error WARNING: Host is already in use by another container. How to over come this error raghav gaaru.
Youssef Nour
May 09, 2022 11:51 amthank you very much, bro, all hope for you to be the best programmer ever …..
pujan raj rai
May 09, 2022 11:51 amgreat tutorial
sravan venus
May 09, 2022 11:51 amJust awesome explanation sir
OLA Uber
May 09, 2022 11:51 amhwo to get rid of error "Top-level object must be a mapping
"
Jaya Kumar
May 09, 2022 11:51 amIf I didn't like this video, That will be the first mistake of mine for today.. Very well explained 👌
nazia arfeen
May 09, 2022 11:51 amHey, You're awesome.. just love the way you teach! 🙂
Thomas Mohanraj
May 09, 2022 11:51 amYou are excellent !!!!
András Németh
May 09, 2022 11:51 amWhat browser do you use? That start page looks awesome!
And thanks for the great educational content btw 🙂
salar khan
May 09, 2022 11:51 amThanks bro it really helped!!!!. 👍🏻
Prince Kumar
May 09, 2022 11:51 amThank You! 🙂
Pwnograffik
May 09, 2022 11:51 amvery informative, thank you
sandeep reddy
May 09, 2022 11:51 amGreat Explanation Raghav..!
Jorge Blandon
May 09, 2022 11:51 amThank for sharing.!
ShanthKumar S
May 09, 2022 11:51 amThank You, Raghav for your explanation.
Sophiya Anudeep
May 09, 2022 11:51 amThank you sir. Your teaching skill is marvelous… God bless you.
FxStreamer
May 09, 2022 11:51 amvideo starts at 7:18
Fabian Leon
May 09, 2022 11:51 amReally helpfull, thank you!
Pavon Dunbar
May 09, 2022 11:51 amGreat video…even 3 years later. Thank you. Subscribed.
Ravindu Samaranayake
May 09, 2022 11:51 amThank you!