Fix cache permissions

see https://github.com/moby/buildkit/blob/master/frontend/dockerfile/docs/reference.md#run---mounttypecache

Dockerfile

@@ -1,8 +1,9 @@
 # stage 1
 FROM python:3.11-alpine AS backend
 
-ARG USER_UID=1000
-ARG GROUP_UID=1000
+ARG USER_ID=1000
+ARG GROUP_ID=1000
+ARG UV_LINK_MODE=copy
 
 RUN apk update \
     && apk add --no-cache \
@@ -10,7 +11,7 @@ RUN apk update \
         curl \
         gettext
 
-RUN addgroup -g $USER_UID newsreader && adduser -Du $GROUP_UID -G newsreader newsreader
+RUN addgroup -g $USER_ID newsreader && adduser -Du $GROUP_ID -G newsreader newsreader
 
 RUN mkdir --parents /app/src /app/logs /app/media /app/bin /app/static \
     && chown -R newsreader:newsreader /app
@@ -23,7 +24,7 @@ COPY --chown=newsreader:newsreader uv.lock pyproject.toml /app/
 
 COPY --from=ghcr.io/astral-sh/uv:python3.11-alpine /usr/local/bin/uv /bin/uv
 
-RUN --mount=type=cache,target=$HOME/.cache/uv \
+RUN --mount=type=cache,uid=$USER_ID,gid=$GROUP_ID,target=/home/newsreader/.cache/uv \
     uv sync --frozen --no-default-groups --no-install-project
 
 COPY --chown=newsreader:newsreader ./bin/docker-entrypoint.sh /app/bin/docker-entrypoint.sh
@@ -45,7 +46,7 @@ USER node
 
 COPY --chown=node:node ./package*.json ./webpack.*.js ./babel.config.js /app/
 
-RUN --mount=type=cache,target=$HOME/.npm \
+RUN --mount=type=cache,uid=1000,gid=1000,target=/home/node/.npm \
     npm ci
 
 COPY --chown=node:node ./src /app/src
@@ -60,7 +61,7 @@ FROM backend AS production
 COPY --from=frontend-build --chown=newsreader:newsreader \
     /app/src/newsreader/static /app/src/newsreader/static
 
-RUN --mount=type=cache,target=$HOME/.cache/uv \
+RUN --mount=type=cache,uid=$USER_ID,gid=$GROUP_ID,target=/home/newsreader/.cache/uv \
     uv sync --frozen --only-group production --extra sentry
 
 COPY --chown=newsreader:newsreader ./src /app/src
@@ -75,5 +76,5 @@ RUN uv run --no-sync -- src/manage.py collectstatic --noinput
 # (optional) stage 4
 FROM backend AS development
 
-RUN --mount=type=cache,target=$HOME/.cache/uv \
+RUN --mount=type=cache,uid=$USER_ID,gid=$GROUP_ID,target=/home/newsreader/.cache/uv \
     uv sync --frozen --group development

src/newsreader/conf/base.py

@@ -1,7 +1,3 @@
-import os
-
-from pathlib import Path
-
 from dotenv import load_dotenv
 
 from newsreader.conf.utils import get_env, get_root_dir
@@ -186,9 +182,7 @@ USE_TZ = True
 
 STATIC_URL = "/static/"
 STATIC_ROOT = BASE_DIR / "static"
-STATICFILES_DIRS = (
-    DJANGO_PROJECT_DIR / "static",
-)
+STATICFILES_DIRS = (DJANGO_PROJECT_DIR / "static",)
 
 STATICFILES_FINDERS = [
     "django.contrib.staticfiles.finders.FileSystemFinder",

src/newsreader/conf/dev.py

@@ -11,7 +11,7 @@ EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 INSTALLED_APPS += ["debug_toolbar", "django_extensions"]  # noqa: F405
 
 
-TEMPLATES[0]["OPTIONS"]["context_processors"].append(
+TEMPLATES[0]["OPTIONS"]["context_processors"].append(  # noqa: F405
     "django.template.context_processors.debug",
 )
 

src/newsreader/conf/docker.py

@@ -17,7 +17,7 @@ LOGGING["loggers"].update(  # noqa: F405
 EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 
 
-TEMPLATES[0]["OPTIONS"]["context_processors"].append(
+TEMPLATES[0]["OPTIONS"]["context_processors"].append(  # noqa: F405
     "django.template.context_processors.debug",
 )
 

src/newsreader/conf/production.py

@@ -1,5 +1,3 @@
-import os
-
 from newsreader.conf.utils import get_env
 
 from .base import *  # noqa: F403
@@ -11,8 +9,7 @@ DEBUG = False
 SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
 
 ADMINS = [
-    ("", email)
-    for email in get_env("ADMINS", split=",", required=False, default=[])
+    ("", email) for email in get_env("ADMINS", split=",", required=False, default=[])
 ]
 
 # Project settings

src/newsreader/conf/utils.py

@@ -14,7 +14,7 @@ def get_env(
     cast: Type = str,
     required: bool = True,
     default: Any = None,
-    split: str = ""
+    split: str = "",
 ) -> Any:
     if cast is not str and split:
         raise TypeError(f"Split is not possible with {cast}")