Docker-compose with image hosted in git in custom directory

Question

My docker-compose YAML configuration is made by

version: '3'
services:
  nginx:
    image: https://my-git-address.git#:dockers/nginx-dev
    ports:
      - 80:80
      - 443:443
    networks:
      dev-net:
        aliases:
          - app.dev.local
          - dev.local
    extra_hosts:
      - "foo.dev.local:127.0.0.1"

but composing fails with the message:

λ docker-compose up
Creating network "application_dev-net" with driver "bridge"
ERROR: no such image: https://my-git-address.git#:dockers/nginx-dev: invalid reference format

But it's kind of strange because when I use the same URL address to Git repository for building Docker image all goes well.

λ docker build --rm --compress --tag app/docker-nginx-poc https://my-git-address.git#:dockers/nginx-dev
Sending build context to Docker daemon  23.57kB
Step 1/11 : FROM phusion/baseimage:0.10.2
---> 4ca439e72536

...

---> 30a38f4f0d38
Successfully built 30a38f4f0d38
Successfully tagged app/docker-nginx-poc:latest

Any thought?

Well it isn't strange... that address isn't an image

Shardj
– Shardj

2019-01-11 16:15:32 +00:00
Commented Jan 11, 2019 at 16:15 — Shardj
– Shardj, Commented Jan 11, 2019 at 16:15

norbjd · Accepted Answer · 2019-01-11 16:49:26Z

1

Git URL must not be set as image value, but rather as build value :

version: '3'
services:
  nginx:
    build: https://my-git-address.git#:dockers/nginx-dev

answered Jan 11, 2019 at 16:49

norbjd

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