Update docker setup

Dockerfile

@@ -1,18 +1,12 @@
 FROM alpine:3.8
 
-ENV UID=1338 \
-    GID=1338
-
 COPY . /opt/maubot
 WORKDIR /opt/maubot
 RUN apk add --no-cache \
-      python3-dev \
-      build-base \
       py3-aiohttp \
       py3-sqlalchemy \
       py3-attrs \
       ca-certificates \
-      su-exec \
  && pip3 install -r requirements.txt
 
 VOLUME /data

docker-run.sh

@@ -1,15 +1,13 @@
 #!/bin/sh
 
-# Define functions.
-function fixperms {
-	chown -R $UID:$GID /data /opt/maubot
-}
-
 cd /opt/maubot
 
 # Replace database path in config.
 sed -i "s#sqlite:///maubot.db#sqlite:////data/maubot.db#" /data/config.yaml
 sed -i "s#- ./plugins#- /data/plugins#" /data/config.yaml
+sed -i "s#./logs/maubot.log#/var/log/maubot/maubot.log#" /data/config.yaml
+
+mkdir -p /var/log/maubot
 
 # Check that database is in the right state
 alembic -x config=/data/config.yaml upgrade head
@@ -20,9 +18,7 @@ if [ ! -f /data/config.yaml ]; then
 	echo "Copied default config file to /data/config.yaml"
 	echo "Modify that config file to your liking."
 	echo "Start the container again after that to generate the registration file."
-	fixperms
 	exit
 fi
 
-fixperms
-exec su-exec $UID:$GID python3 -m maubot -c /data/config.yaml
+python3 -m maubot -c /data/config.yaml