.dockerignore

data
**/.classpath
**/.dockerignore
**/.env
**/.git
**/.gitignore
**/.project
**/.settings
**/.toolstarget
**/.vs
**/.vscode
**/*.*proj.user
**/*.dbmdl
**/*.jfm
**/azds.yaml
**/charts
**/docker-compose*
**/Dockerfile*
**/node_modules
**/npm-debug.log
**/obj
**/secrets.dev.yaml
**/values.dev.yaml
README.md

docker-compose.yml

version: '3.4'

services:
  one:
    container_name: one
    build:
      context: .
      dockerfile: Dockerfile
    volumes:
      - type: volume
        source: mydata
        target: /mydata
  two:
    container_name: two
    build:
      context: .
      dockerfile: Dockerfile
    volumes:
      - type: volume
        source: mydata
        target: /mydata

volumes:
  mydata:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: "${PWD}/data"

Dockerfile

FROM ubuntu
ENTRYPOINT [ "tail" ]
CMD ["-f","/dev/null" ]