lesson learned from using docker swarm at pronto
TRANSCRIPT
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USING DOCKER SWARM AT PRONTO
L E S S O N L E A R N E D F R O M
www.prontotools.ioK A N O U I V I R A C H
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K A N O U I V I R A C H
A B O U T M E
Research & Development Engineer
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D O C K E R S W A R M
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M I C R O S E R V I C E S
https://www.nginx.com/blog/introduction-to-microservices/
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. . H O W W E ’ V E S E T U P. .
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docker swarm init
docker network create \ -d overlay \ --subnet=192.168.0.0/24 \ simplesat
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docker service create \ --name survey \ --network simplesat \ survey:stable
docker service update \ --image survey:live survey
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docker swarm join \ --token SWMTKN-1-0nqrebfaz7qc6deimizh4tfqavfq5pam1qt08alxots8w5x9fv-8ii4ina9fm640am99z1tbpfvl \ 192.168.65.2:2377
docker swarm join-token manager
To add a worker to swarm
To add a manager to swarm
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O U R B U I L D P I P E L I N E L O O K S L I K E
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Check-In
BUILD PIPELINE FOR SERVICE 1
BUILD PIPELINE FOR SERVICE 2
BUILD PIPELINE FOR SERVICE 3
BUILD PIPELINE FOR SERVICE 4
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C O N T I N U O U S I N T E G R AT I O N P R O C E S S
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Check - In
Static Analysis
Unit Tests
Build & PushPush
Deploy Production
Pull
Deploy DevPull
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– I N S P I R E D B Y Y E L P
Docker Images Versioning for Continuous Delivery
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docker build -t ${package}:${GIT_COMMIT}
docker tag ${package}:${GIT_COMMIT} ${package}:unstable
During the first docker build
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docker tag ${package}:${GIT_COMMIT} ${package}:stable
docker push ${package}:${GIT_COMMIT} docker push ${package}:stable
After the tests pass
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docker tag ${package}:${GIT_COMMIT} ${package}:live
docker push ${package}:live
After deployment succeeds
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. . W H AT W E ’ V E L E A R N E D . .
http://bocabraincenter.com/conditions/learning-disabilities/
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Follow the practices
• One process per one container • Use an appropriate base image (official base
image)
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S E R V I C E N A M E I N T H E C O D E !
SURVEY_API_URL = 'http://survey:8000/api/'
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R O L L I N G U P D AT E S
F… C O O L F E AT U R E !I S
Effortless with Blue-Green Deployment
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– E A S Y T O M A I N TA I N
Keep services in one single repository
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Environment variables
– ALLOW US TO HAVE SAME IMAGE ON ALL KINDS OF SERVERS
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D O C K E R S W A R M
couldn’t automatically pull images from private registry when update a service
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--with-registry-auth
Ex. docker service update --with-registry-auth --image simplesat-gateway:cc01ef0c gateway
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(A bit) complex command
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. . W H AT W E P L A N . .
https://unsplash.com/photos/CkH1Hh8kllA
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Monitoring
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Log centralization
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Docker images versioning management
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More integration tests
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Questions?
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