Slides
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Installed as part of Docker Toolbox or github.com/docker/compose/releases
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docker-compose -v -
docker-compose --help. Explainup,ps,down,scale,restart,port
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Create a directory
helloweb -
Create Compose file in
hellowebdirectory:vi docker-compose.yml
version: '3'
services:
web:
image: jboss/wildfly
volumes:
- ~/deployments:/opt/jboss/wildfly/standalone/deployments
ports:
- 8080:8080-
Talk about how
deploymentsdirectory is automatically created -
Explain
web,image,volumes,ports -
Compare with Docker CLI
Run the commands:
docker-compose up -d
docker-compose logs -f
cp docker-for-java-master/chapter2/webapp.war ~/deployments
curl http://localhost:8080/webapp/resources/persons
docker-compose down-
Create a directory
travel
version: '3'
services:
web:
image: arungupta/couchbase-javaee:travel
environment:
- COUCHBASE_URI=db
ports:
- 8080:8080
- 9990:9990
depends_on:
- db
db:
image: arungupta/couchbase:travel
ports:
- 8091:8091
- 8092:8092
- 8093:8093
- 11210:11210-
Two images
webanddb -
Explain
depdends_on- container and app starting sequence -
COUCHBASE_URI- show code -
Start application:
docker-compose up -d -
Show logs:
docker-compose logs -f -
Access application:
curl http://localhost:8080/airlines/resources/airline -
Shutdown application:
docker-compose down
By default, service names is <project-name>_<service-name>_<service-number>
Start using docker-compose -p myapp up -d
docker-compose ps shows no services
docker-compose -p myapp ps shows services
Copy the following in docker-compose.override.yml:
version: "3"
services:
web:
ports:
- 80:8080-
Run application:
docker-compose up -d. -
App now accessible at curl http://localhost/webapp/resources/persons
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Shutdown using
docker-compose down