Use python 3.6 for the Dockerfile (#284)

* Use python 3.6 for the Dockerfile

* Dockerfile: use explicit Alpine version

* Empty commit to trigger a new CI build

Dockerfile

@@ -1,48 +1,33 @@
-FROM alpine:3.8 AS base
+FROM python:3.6-alpine3.10 as base
+
+# Copy the requirements & code and install them
+# Do this in a separate image in a separate directory
+# to not have all the build stuff in the final image
+FROM base AS builder
+RUN apk update
+# Needed to build cffi
+RUN apk add python-dev build-base libffi-dev
+COPY . /code
+RUN mkdir /install
+RUN pip install --no-warn-script-location \
+                --prefix=/install \
+                /code --requirement /code/docker-requirements.txt
+
+FROM base
 
-# Install python and modules that can't be installed via pip
-# Delete the uncompiled variants to shave off ~10MB of the docker file
 RUN addgroup -S -g 9898 pypiserver \
     && adduser -S -u 9898 -G pypiserver pypiserver \
     && mkdir -p /data/packages \
     && chown -R pypiserver:pypiserver /data/packages \
     # Set the setgid bit so anything added here gets associated with the
     # pypiserver group
-    && chmod g+s /data/packages \
-    && apk --no-cache add python py2-bcrypt py2-cffi py2-six \
-    && find /usr -name "*.py" ! -name "__*" -exec rm {} \; \
-    # Ensure pip is available to all further images
-    && apk add --no-cache py2-pip
-
-FROM base as builder
-
-# Copy the requirements and install them
-# Do this in a separate image in a separate directory
-# to not have all the pip stuff in the final image
-COPY docker-requirements.txt /requirements.txt
-
-# Install python packages
-RUN mkdir /install \
-    && pip install --prefix=/install --requirement /requirements.txt \
-    && find /install -name "*.py" ! -name "__*" -exec rm {} \;
-
-FROM base
+    && chmod g+s /data/packages
 
 # Copy the libraries installed via pip
-COPY --from=builder /install /usr
-
-COPY . /code
-
-RUN apk add py2-setuptools \
-    && cd code \
-    && python setup.py install \
-    && cd / \
-    && rm -rf code
-
-VOLUME /data/packages
+COPY --from=builder /install /usr/local
 USER pypiserver
+VOLUME /data/packages
 WORKDIR /data
 EXPOSE 8080
-
 ENTRYPOINT ["pypi-server", "-p", "8080"]
 CMD ["packages"]

docker-requirements.txt

@@ -1 +1,2 @@
 passlib==1.7.1
+bcrypt==3.1.7