Update Dockerfile

Dockerfile

@@ -1,24 +1,34 @@
-FROM python:3.11.2-slim-bullseye
+FROM python:3.11.2-slim-bullseye as builder
 
 ENV DEBIAN_FRONTEND=noninteractive
 
 COPY ./fonts/sarasa-mono-sc-regular.ttf /usr/share/fonts/
 
 RUN apt-get update && \
     apt install --no-install-recommends xvfb binutils build-essential qtbase5-dev wkhtmltopdf ffmpeg -yq && \
-    (strip --remove-section=.note.ABI-tag /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 || true) && \
-    apt-get clean && \
-    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false && \
-    rm -rf /var/lib/apt/lists/*
+    (strip --remove-section=.note.ABI-tag /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 || true)
 
-RUN mkdir -p /app
 WORKDIR /app
 
 COPY requirements.txt /app
-RUN pip install --no-cache-dir -r requirements.txt && pip cache purge
+RUN pip install --no-cache-dir -r requirements.txt
+
+FROM python:3.11.2-slim-bullseye
+
+COPY --from=builder /usr/share/fonts/sarasa-mono-sc-regular.ttf /usr/share/fonts/
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 /usr/lib/x86_64-linux-gnu/
+COPY --from=builder /app /app
 
-RUN apt-get apt-get remove --purge -yq binutils build-essential qtbase5-dev
+RUN apt-get remove --purge -yq binutils && \
+    apt-get clean && \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false && \
+    rm -rf /var/lib/apt/lists/* && \
+    pip cache purge
+
+WORKDIR /app
 
 COPY . /app
 
 CMD ["/bin/bash", "/app/docker/start.sh"]
+
+