Swap to UV

Dockerfile.slim

@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM ghcr.io/astral-sh/uv:bookworm-slim
 
 ENV PUID=1000
 ENV PGID=1000
@@ -10,11 +10,30 @@ RUN apt-get update && \
 
 WORKDIR /app
 
-COPY ./requirements.txt ./
+# Enable bytecode compilation
+ENV UV_COMPILE_BYTECODE=1
 
-RUN pip install --no-cache-dir -r requirements.txt
+ENV UV_LINK_MODE=copy
 
-COPY . .
+# Set the cache directory to /tmp instead of root
+ENV UV_CACHE_DIR=/tmp/.cache/uv
+
+ENV UV_PYTHON_INSTALL_DIR=/app/.bin
+
+# Install the project's dependencies using the lockfile and settings
+RUN --mount=type=cache,target=/tmp/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project --no-dev
+
+# Then, add the rest of the project source code and install it
+# Installing separately from its dependencies allows optimal layer caching
+COPY . /app
+RUN --mount=type=cache,target=/tmp/.cache/uv \
+    uv sync --frozen --no-dev
+
+# Place executables in the environment at the front of the path
+ENV PATH="/app/.venv/bin:$PATH"
 
 RUN chmod +x *.sh && \
     dos2unix *.sh