bump docker Python to 3.10

Author: minrk

Dockerfile

@@ -1,20 +1,22 @@
 # Define a builder image
-FROM python:3.7-buster as builder
+FROM python:3.10-bullseye as builder
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV LANG=C.UTF-8
 RUN apt-get update \
  && apt-get install -yq --no-install-recommends \
     ca-certificates \
     libcurl4-gnutls-dev \
+    libgnutls28-dev \
+    libmemcached-dev \
     git \
     nodejs \
     npm
 
 # Python requirements
-COPY ./requirements-dev.txt /srv/nbviewer/
 COPY ./requirements.txt /srv/nbviewer/
-RUN python3 -mpip install -r /srv/nbviewer/requirements-dev.txt -r /srv/nbviewer/requirements.txt
+
+RUN python3 -mpip install -r /srv/nbviewer/requirements.txt
 
 WORKDIR /srv/nbviewer
 
@@ -24,7 +26,7 @@ RUN python3 setup.py build && \
     python3 -mpip wheel -vv . -w /wheels
 
 # Now define the runtime image
-FROM python:3.7-slim-buster
+FROM python:3.10-slim-bullseye
 LABEL maintainer="Jupyter Project <[email protected]>"
 
 ENV DEBIAN_FRONTEND=noninteractive
@@ -34,6 +36,7 @@ RUN apt-get update \
  && apt-get install -yq --no-install-recommends \
     ca-certificates \
     libcurl4 \
+    libmemcached11 \
     git \
  && apt-get clean && rm -rf /var/lib/apt/lists/*