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Application development in a distributed system

Development of Distributed Systems from Design to Application


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= Deploy
== Create Yaml file
.docker-compose
[source,yaml]
----
services:
myapp: //<1>
image: node:8.2.1-alpine //<2>
hostname: myapp
volumes:
- /PATH_to_app/app.js:/code/app.js //<3>
- /PATH_to_app/index.html:/code/index.html //<3>
ports:
- "8000:8000" //<4>
networks:
- mynet //<5>
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.myapp==true //<6>
mybrowser:
image: nginx:1.17.9-alpine
deploy:
mode: replicated
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
replicas: 2
placement:
max_replicas_per_node: 1
constraints:
- node.labels.group==myapp
ports:
- "8080:80"
- "9443:443"
volumes: //<7>
- /PATH_to_FILE/my.conf:/DIR_in_container/my.conf //<3>
#- /PATH_to_FILE/public.crt:/etc/nginx/public.crt //<3>
#- /PATH_to_FILE/private.key:/etc/nginx/private.key //<3>
networks:
- myapp //<5>
networks:
myapp: //<5>
driver: overlay
----
<1> Service name
<2> Image name
<3> Volume (bind) to Use
<4> Expose port
<5> Network to Use
<6> Node Placement
<7> Start server