feat(docker): run specified commands on container creation. This feat…

…ure can be used for example to persist installed packages between updates

.dockerignore

@@ -1,3 +1,9 @@
 **/__pycache__/
 venv/
-guide/site
+.idea/
+/.github/
+/data/
+/guide/site
+/guide/.cache
+flake.lock
+flake.nix

Dockerfile

@@ -20,14 +20,15 @@ RUN --mount=type=cache,target=/root/.cache/pip \
 
 COPY . .
 RUN sed -i "s/\(COMMIT_HASH *= *\).*/\1'$(git rev-parse HEAD)'/" tgpy/version.py
+RUN rm -rf .git guide poetry.lock pyproject.toml .dockerignore .gitignore README.md
 
 FROM base as runner
 COPY --from=builder /venv /venv
 ENV PATH="/venv/bin:$PATH"
 
-COPY --from=builder /app/tgpy tgpy
+COPY --from=builder /app /app
 
 ENV TGPY_DATA=/data
 VOLUME /data
 
-ENTRYPOINT ["/venv/bin/python", "-m", "tgpy"]
+ENTRYPOINT ["/app/entrypoint.sh"]

docker/install_mods.py

@@ -0,0 +1,31 @@
+import logging
+from subprocess import Popen
+
+from tgpy.api.config import config
+
+logging.basicConfig(
+    format='[%(asctime)s] [%(name)s] [%(levelname)s] %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S',
+    level=logging.INFO,
+)
+logger = logging.getLogger('install_mods')
+
+
+def main():
+    config.load()
+    command_groups: dict = config.get('docker.setup_commands', {})
+    command_groups['_core'] = 'apt-get update'
+    for name, commands in sorted(command_groups.items()):
+        if isinstance(commands, str):
+            commands = [commands]
+        logger.info(f"Running setup command group '{name}'")
+        for command in commands:
+            logger.info(f"Running setup command '{command}'")
+            p = Popen(command, shell=True)
+            p.wait()
+            if p.returncode != 0:
+                logger.info("Running setup command failed")
+
+
+if __name__ == '__main__':
+    main()

entrypoint.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -e
+if [ ! -f container_setup_completed ]; then
+  PYTHONPATH=. python /app/docker/install_mods.py
+  touch container_setup_completed
+fi
+
+exec python -m tgpy