Inconsistent resolution of dockerfile paths with extends across multiple yaml files

[jan-matejka]

setup:

% pc --version
podman-compose version 1.5.0
podman version 5.4.2

% pc config
services:
  base:
    build:
      context: /home/alex/sscce
      dockerfile: scope/base/base.Dockerfile
  user:
    extends:
      file: scope/user/../base/base.yaml
      service: base

% tree
.
├── compose.yaml
├── scope
│   ├── base
│   │   ├── base.Dockerfile
│   │   └── base.yaml
│   ├── compose.yaml
│   └── user
│       └── user.yaml
└── tags

4 directories, 6 files

% cat compose.yaml
include:
  - scope/compose.yaml

% cat scope/compose.yaml
include:
  - base/base.yaml
  - user/user.yaml

% cat scope/base/base.Dockerfile
FROM docker.io/library/debian:trixie-slim

% cat scope/base/base.yaml
services:
  base:
    build:
      context: ./
      dockerfile: scope/base/base.Dockerfile

% cat scope/user/user.yaml
services:
  user:
    extends:
      service: base
      file: ../base/base.yaml

% pc build base
STEP 1/1: FROM docker.io/library/debian:trixie-slim
COMMIT sscce_base
--> 47b8e49b67f0
Successfully tagged localhost/sscce_base:latest
Successfully tagged docker.io/library/debian:trixie-slim
47b8e49b67f0d188d504d7f9458c61d9f58b0d32e3a115371bed788e74a339b4

The problem:

% pc build user
Traceback (most recent call last):
  File "/usr/bin/podman-compose", line 8, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 4256, in main
    asyncio.run(async_main())
    ~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/asyncio/runners.py", line 195, in run
    return runner.run(main)
           ~~~~~~~~~~^^^^^^
  File "/usr/lib/python3.13/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/usr/lib/python3.13/asyncio/base_events.py", line 725, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 4252, in async_main
    await podman_compose.run()
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 2072, in run
    retcode = await cmd(self, args)
              ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 2986, in compose_build
    s = await t
        ^^^^^^^
  File "/usr/lib/python3.13/asyncio/tasks.py", line 634, in _wait_for_one
    return f.result() if resolve else f
           ~~~~~~~~^^
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 2960, in build_one
    build_args = container_to_build_args(
        compose, cnt, args, os.path.exists, cleanup_callbacks=cleanup_callbacks
    )
  File "/usr/lib/python3/dist-packages/podman_compose.py", line 2902, in container_to_build_args
    raise OSError(f"Dockerfile not found in {dockerfile}")
OSError: Dockerfile not found in scope/user/../base/scope/base/base.Dockerfile

Quite possibly related to #1301 and #130

[jan-matejka]

Workaround:

services:
  user:
    extends:
      service: base
      file: ../base/base.yaml
    build:
      context: ./
      dockerfile: scope/user/Dockerfile

FROM localhost/base

[antonpetrov145]

hey @jan-matejka can you try with this config for base service

services:
  base:
    build:
      context: .
      dockerfile: base.Dockerfile

user is the same as yours

services:
  user:
    extends:
      service: base
      file: ../base/base.yaml

I think it confuses the paths to

scope/user/../base/scope/base/base.Dockerfile

which is not correct and the files is not there, but in scope/base/base.Dockerfile