Docker-compose

[List of PRs / issues for this release](https://github.com/docker/compose/milestone/57?closed=1)

Bugs

- Make `--env-file` relative to the current working directory and error out for invalid paths. Environment file paths set
with `--env-file` are relative to the current working directory while the default `.env` file is located in the project
directory which by default is the base directory of the Compose file.

- Fix missing service property `storage_opt` by updating the compose schema

- Fix build `extra_hosts` list format

- Remove extra error message on `exec`

Miscellaneous

- Add `compose.yml` and `compose.yaml` to default filename list

[List of PRs / issues for this release](https://github.com/docker/compose/milestone/55?closed=1)

Bugs

- Fix OpenSSL version mismatch error when shelling out to the ssh client (via bump to docker-py 4.4.4 which contains the fix)

- Add missing build flags to the native builder: `platform`, `isolation` and `extra_hosts`

- Remove info message on native build

- Avoid fetching logs when service logging driver is set to 'none'

[List of PRs / issues for this release](https://github.com/docker/compose/milestone/54?closed=1)

Bugs

- Fix SSH port parsing by bumping docker-py to 4.4.3

Miscellaneous

- Bump Python to 3.7.10

[List of PRs / issues for this release](https://github.com/docker/compose/milestone/53?closed=1)

Bugs

- Fix SSH hostname parsing when it contains leading 's', 'h', and remove the quiet option that was hiding the error (via docker-py bump to 4.4.2)
- Fix key error for `--no-log-prefix` option
- Fix incorrect CLI environment variable name for service profiles: `COMPOSE_PROFILES` instead of `COMPOSE_PROFILE`
- Fix fish completion

Miscellaneous

- Bump cryptography to 3.3.2
- Remove log driver filter

Bugs

- Revert to Python 3.7 bump for Linux static builds

- Add bash completion for `docker-compose logs|up --no-log-prefix`

Miscellaneous

- CI setup update

Features

- Support for Nvidia GPUs via device requests

- Support for service profiles

- Change the SSH connection approach to the Docker CLI's via shellout to the local SSH client (old behaviour enabled by setting `COMPOSE_PARAMIKO_SSH` environment variable)

- Add flag to disable log prefix

- Add flag for ansi output control

Bugs

- Make `parallel_pull=True` by default

- Bring back warning for configs in non-swarm mode

- Take `--file` in account when defining `project_dir`

- On `compose up`, attach only to services we read logs from

Miscellaneous

- Make COMPOSE_DOCKER_CLI_BUILD=1 the default

- Add usage metrics

- Sync schema with COMPOSE specification

- Improve failure report for missing mandatory environment variables

- Bump attrs to 20.3.0

- Bump more_itertools to 8.6.0

- Bump cryptograhy to 3.2.1

- Bump cffi to 1.14.4

- Bump virtualenv to 20.2.2

- Bump bcrypt to 3.2.0

- Bump gitpython to 3.1.11

- Bump docker-py to 4.4.1

- Bump Python to 3.9

- Linux: bump Debian base image from stretch to buster (required for Python 3.9)

- macOS: OpenSSL 1.1.1g to 1.1.1h, Python 3.7.7 to 3.9.0

- Bump pyinstaller 4.1

- Loosen restriction on base images to latest minor

- Updates of READMEs