fix #33 missing libpcre3

Dockerfile

@@ -3,18 +3,13 @@ FROM python:3-slim AS compile-image
 ENV NODE_VER=16.3.0
 
 WORKDIR /opt/warp
-RUN apt-get update
-RUN mkdir debs && \
-    apt-get install -y -d --no-install-recommends libpq5 mime-support && \
-    cp /var/cache/apt/archives/*deb debs
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends wget mime-support build-essential libpq-dev libpcre3-dev
 
-RUN \
-    apt-get install -y wget && \
-    NODE_ARCH=$(uname -m | sed 's/^x86_64\|amd64$/x64/;s/^i.*86$/x86/;s/^aarch64$/arm64/') && \
+RUN NODE_ARCH=$(uname -m | sed 's/^x86_64\|amd64$/x64/;s/^i.*86$/x86/;s/^aarch64$/arm64/') && \
     NODE_URL="https://nodejs.org/dist/v${NODE_VER}/node-v${NODE_VER}-linux-${NODE_ARCH}.tar.gz" && \
     wget -O - "$NODE_URL" | tar -xz --strip-components=1 -C /usr/
 
-RUN apt-get install -y build-essential libpq-dev libpcre3 libpcre3-dev
 RUN pip install --upgrade setuptools && pip install wheel uwsgi
 RUN pip wheel -w wheel/ uwsgi
 
@@ -40,11 +35,9 @@ RUN python setup.py bdist_wheel -d wheel
 FROM python:3-slim
 WORKDIR /opt/warp
 
-RUN \
-    --mount=type=bind,from=compile-image,source=/opt/warp/debs,target=./debs \
-    dpkg -i debs/*.deb
-#COPY --from=compile-image /opt/warp/debs ./debs
-#RUN dpkg -i debs/*.deb
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends libpq5 mime-support libpcre3 && \
+    rm  -rf /var/lib/apt/lists/*
 
 RUN \
     --mount=type=bind,from=compile-image,source=/opt/warp/wheel,target=./wheel \