cleaned up __root__ references, fixed bugs, added small features

- Fixed pyproject.toml dependencies
- Added model properties to encapsulate `__root__`
- Added online help for commands
- Added `show-config` command
- Added `--basedir` CLI option
- Fixed docker syntax line in base template
- Added support for SHELL in stage template
- Fixed bug with LABEL k/v pair
- Updated test suite

TODO.md

@@ -1,3 +1,6 @@
 - Add `setup` feature for modules
 - Add build profiles to control the generation of the bakefile(s)
-- Add duplicate name check to config file validation 
+- Add duplicate name check to config file validation
+- Upgrade to pydantic 2.x
+- Unit tests
+- Integration (CLI) tests

docker_printer/cli.py

@@ -23,7 +23,7 @@ def version_callback(value: bool):
     if value:
         typer.echo(__version__)
         raise typer.Exit()
-    
+
 
 def base_dir_callback(value: str = None):
     # Change CWD to target so path resolution works as expected
@@ -64,12 +64,12 @@ def _synth():
     with open(dockerfile_path, "w", newline="\n") as f:
         f.write(dockerfile)
 
-    for build_config in build_configs.__root__:
+    for build_config in build_configs.configs:
         bakefile_path = base_dir() / f"docker-bake.{build_config.name}.json"
         bakefile = build_config.generate_bakefile(targets)
         with open(bakefile_path, "w", newline="\n") as f:
             f.write(bakefile + "\n")
-        # typer.echo(build_config.build_command)
+        typer.echo(build_config.build_command)
 
     return targets, build_configs
 
@@ -80,36 +80,42 @@ def build(name: str = "default"):
     _, build_configs = _synth()
 
     try:
-        config = next(cfg for cfg in build_configs.__root__ if cfg.name == name)
+        config = next(cfg for cfg in build_configs.configs if cfg.name == name)
     except StopIteration:
-        names = ", ".join(set([x.name for x in build_configs.__root__]))
-        typer.secho(f"Error: No build config found with name '{name}'", fg=typer.colors.RED)
+        names = ", ".join(set([x.name for x in build_configs.configs]))
+        typer.secho(
+            f"Error: No build config found with name '{name}'", fg=typer.colors.RED
+        )
         typer.secho(f"Valid names: {names}", fg=typer.colors.YELLOW)
         typer.Exit(1)
     else:
         typer.echo(config.build_command)
         subprocess.run(config.build_command, shell=True)
 
+
 @app.command()
 def show_config():
     """List the current config files and build targets."""
     preload_modules()
 
     target_config_file = targets_file()
     build_config_file = builds_file()
-    targets = TargetCollection.parse_obj(yml_load(target_config_file))
+    target_configs = TargetCollection.parse_obj(yml_load(target_config_file))
     build_configs = BuildConfigCollection.parse_obj(yml_load(build_config_file))
 
     typer.secho("Config files", bold=True, fg=typer.colors.GREEN)
     typer.echo(str(target_config_file))
     typer.echo(str(build_config_file))
 
     typer.secho("\nTargets", bold=True, fg=typer.colors.GREEN)
-    for target in targets.__root__:
-        typer.echo(target)
+    for target in target_configs.targets:
+        typer.echo(target.name)
+        for mod in target.all_modules():
+            typer.echo(f"  {mod.name}")
+        typer.echo()
 
     typer.secho("\nBuilds", bold=True, fg=typer.colors.GREEN)
-    for build_config in build_configs.__root__:
+    for build_config in build_configs.configs:
         typer.echo(f"{build_config.name} {build_config.image}")
 
 
@@ -124,7 +130,10 @@ def init(
     """Initializes a new project tree."""
     base_dir = path / "docker-printer"
     if base_dir.exists():
-        typer.secho(f"Error: {base_dir} already exists, cannot initialize new project", fg=typer.colors.RED)
+        typer.secho(
+            f"Error: {base_dir} already exists, cannot initialize new project",
+            fg=typer.colors.RED,
+        )
         typer.Exit(1)
 
     base_dir.mkdir(exist_ok=False, parents=False)
@@ -138,4 +147,4 @@ def init(
             *.rendered.yml
             """.lstrip()
         )
-    )
+    )

docker_printer/models.py

@@ -333,3 +333,7 @@ def build_command(self):
 
 class BuildConfigCollection(BaseModel):
     __root__: List[BuildConfig]
+
+    @property
+    def configs(self):
+        return [t for t in self.__root__]

docker_printer/resources/templates/base.Dockerfile.jinja2

@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.2
+# syntax=docker/dockerfile:1
 
 {% block pre_init %}{% endblock %}
 

docker_printer/resources/templates/stage.Dockerfile.jinja2

@@ -4,7 +4,7 @@ FROM {{ base }} AS {{ name }}
 
 {% block labels -%}
 {% for key, value in labels.items() -%}
-LABEL "{{ key }}"={{ value }}"
+LABEL "{{ key }}"="{{ value }}"
 {% endfor %}
 {%- endblock %}
 
@@ -20,6 +20,10 @@ ENV {{ key }}="{{ value }}"
 {% endfor %}
 {%- endblock %}
 
+{% if shell -%}
+SHELL {{ shell|tojson|safe }}
+{%- endif %}
+
 {% block instructions -%}
 {% for instr in instructions -%}
 {{ instr }}

examples/fastapi_app/Dockerfile.synth

@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.2
+# syntax=docker/dockerfile:1
 
 ARG PYTHON_VERSION=3.9
 ARG BASE_OS=slim