This extends the docker-compose.yml that appeared in step 3.
The Dockerfile (./myp_dev/docker-compose.yml)
version: "3"
volumes:
postgis13_data:
networks:
myp_net:
services:
db:
image: postgis/postgis:13-3.1-alpine
networks:
- myp_net
environment:
# - POSTGRES_USER=postgres
- POSTGRES_PASSWORD=postgres
# - POSTGRES_DB=postgres
ports:
- 5432:5432
volumes:
- postgis13_data:/var/lib/postgresql/data/
web:
build:
context: .
dockerfile: Dockerfile.alpine
networks:
- myp_net
ports:
- 4000:4000
depends_on:
- db
volumes:
- ./source:/apps
# end
As docker-compose scripts go: this is about as simple as it gets. Even someone with a passing awareness of docker should be able to read this.
Build image from Dockerfile(s)
docker-compose --build
Remarks
- The system defined by this script is unlikely to conflict with other running systems; other than where it offers service on ports exposed onto the localhost.
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