add Dockerfile

This docker file downloads deps, sets up some things beforehand and
finishes with running our entire collection of tests.
Signed-off-by: Kevin Morris <kevr@0cost.org>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

Dockerfile

+FROM archlinux
+COPY . /aurweb
+WORKDIR /aurweb
+
+# Install dependencies.
+RUN pacman -Syu --noconfirm base-devel git gpgme protobuf pyalpm \
+    python-mysql-connector python-pygit2 python-srcinfo python-bleach \
+    python-markdown python-sqlalchemy python-alembic python-pytest \
+    python-werkzeug python-pytest-tap python-fastapi nginx python-authlib \
+    python-itsdangerous python-httpx python-jinja python-pytest-cov \
+    python-requests python-aiofiles python-python-multipart \
+    python-pytest-asyncio python-coverage hypercorn
+
+# Remove aurweb.sqlite3 if it was copied over via COPY.
+RUN rm -fv aurweb.sqlite3
+
+# Setup our test config.
+RUN sed -r "s;YOUR_AUR_ROOT;/aurweb;g" conf/config.dev > conf/config
+
+# Install translations.
+RUN AUR_CONFIG=conf/config make -C po all install
+
+# Initialize the database.
+RUN AUR_CONFIG=conf/config python -m aurweb.initdb
+
+# Test everything!
+RUN make -C test
+
+# Produce a coverage report.
+RUN coverage report --include='aurweb/*'