Specify alpine 3.16.2, reorganize into multiple steps

Dockerfile

@@ -1,16 +1,20 @@
-FROM alpine:3.16
-
-WORKDIR /workdir
-
-ADD requirements.txt /workdir/
+FROM alpine:3.16.2
 
 RUN echo "http://dl-4.alpinelinux.org/alpine/edge/main/" >> /etc/apk/repositories && \
     echo "http://dl-4.alpinelinux.org/alpine/edge/community/" >> /etc/apk/repositories && \
     apk --update --no-cache add ca-certificates chromium chromium-chromedriver py3-cryptography \
           python3-dev py3-grpcio py3-wheel py3-pip py3-lxml py3-yaml \
-          build-base git icu-libs libxml2 libxml2-dev libxslt libxslt-dev libffi-dev openssl-dev cargo && \
-    pip install -r requirements.txt && \
-    apk del build-base
+          build-base git icu-libs libssl1.1 libssl3 libxml2 libxml2-dev libxslt libxslt-dev libffi-dev openssl-dev cargo
+
+WORKDIR /workdir
+
+# Execute time consuming compilations in a separate step
+RUN python3 -m pip install libcst==0.4.7 sgmllib3k==1.0.0
+
+ADD requirements.txt /workdir/
+RUN pip install -r requirements.txt
+
+RUN python3 -m pip freeze
 
 ADD cli.py /workdir/
 ADD manager /workdir/manager

requirements.txt

@@ -10,12 +10,12 @@ docker==4.4.1
 feedparser==6.0.8
 gitdb==4.0.9
 GitPython==3.1.24
-google-api-core==2.2.2
-google-auth==2.3.3
-google-cloud-core==2.2.1
-google-cloud-datastore==2.4.0
-google-cloud-storage==1.43.0
-googleapis-common-protos==1.53.0
+google-api-core==2.10.2
+google-auth==2.13.0
+google-cloud-core==2.3.2
+google-cloud-datastore==2.9.0
+google-cloud-storage==2.5.0
+googleapis-common-protos==1.56.4
 html-similarity==0.3.3
 httpretty==1.1.4
 idna==2.10
@@ -25,7 +25,7 @@ protobuf==4.21.8
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.21
-pyOpenSSL==22.1.0
+pyOpenSSL==22.0.0
 pytz==2021.3
 redis==4.1.0
 requests==2.26.0