build: adapt uv of docker image build

Dockerfile

@@ -1,26 +1,20 @@
 ARG PYTHON="python:3.12-alpine3.21"
 
 FROM ${PYTHON} AS builder
-ENV SYNCPLAY="1.7.4"
+RUN apk add uv gcc musl-dev libffi-dev
-RUN apk add gcc musl-dev libffi-dev
 RUN sh -c '[ $(getconf LONG_BIT) -eq 64 ] || apk add cargo openssl-dev'
-RUN wget https://github.com/Syncplay/syncplay/archive/v${SYNCPLAY}.tar.gz -O- | tar xz
+COPY . /build/
-WORKDIR ./syncplay-${SYNCPLAY}/
+WORKDIR /build/
-RUN cat /dev/null > requirements_gui.txt
+RUN uv tree --frozen && \
-RUN SNAPCRAFT_PART_BUILD=1 pip wheel --wheel-dir /wheels/ ./
+    uv export --frozen --no-emit-package syncplay -o requirements.txt
-
+RUN pip wheel --no-deps ./src/syncplay/ --wheel-dir /wheels/ && \
-FROM ${PYTHON} AS syncplay
+    pip wheel --require-hashes -r requirements.txt --wheel-dir /wheels/
-WORKDIR /wheels/
-RUN pip wheel PyYaml
-COPY --from=builder /wheels/ /wheels/
-WORKDIR /release/local/lib/
-RUN mkdir $(basename /usr/local/lib/python3.*/) && cd ./python3.*/ && \
-    ls /wheels/*.whl | xargs -P0 -n1 unzip -d ./site-packages/
-COPY ./boot.py /release/bin/syncplay
 
 FROM ${PYTHON}
 RUN sh -c '[ $(getconf LONG_BIT) -eq 64 ] || apk add --no-cache libgcc'
-COPY --from=syncplay /release/ /usr/
+RUN --mount=type=cache,ro,from=builder,source=/wheels/,target=/wheels/ \
+    cd /usr/local/lib/python3.*/ && ls /wheels/*.whl | xargs -P0 -n1 unzip -d ./site-packages/
+COPY ./src/boot.py /usr/bin/syncplay
 ENV PYTHONUNBUFFERED=1
 EXPOSE 8999
 WORKDIR /data/