Improve docker setup & config (#1843)

* Improve docker setup & config

* fix(browsing): Selenium needs access to home directory

* fix(docker): allow overriding memory backend settings

* simplify Dockerfile and docker-compose config

* add .dockerignore

* adjust Docker CI with release build type arg

* replace Chrome by Chromium in devcontainer

* update docs

* update bulletin

* use preinstalled chromedriver in web_selenium.py

* update installation.md

* fix code blocks for mkdocs

* fix links to docs

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 # [Choice] Python version (use -bullseye variants on local arm64/Apple Silicon): 3, 3.10, 3-bullseye, 3.10-bullseye, 3-buster, 3.10-buster
 ARG VARIANT=3-bullseye
-FROM --platform=linux/amd64 python:3.10
+FROM python:3.10
 
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     # Remove imagemagick due to https://security-tracker.debian.org/tracker/CVE-2019-10131
@@ -10,10 +10,8 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 # They are installed by the base image (python) which does not have the patch.
 RUN python3 -m pip install --upgrade setuptools
 
-# Install Chrome for web browsing
-RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && curl -sSL https://dl.google.com/linux/direct/google-chrome-stable_current_$(dpkg --print-architecture).deb -o /tmp/chrome.deb \
-    && apt-get -y install /tmp/chrome.deb
+# Install Chromium for web browsing
+RUN apt-get install -y chromium-driver
 
 # [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
 # COPY requirements.txt /tmp/pip-tmp/