feat: add Dockerfile

.drone.yml

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+pipeline:
+  docker:
+    image: docker.io/plugins/docker
+    repo: docker.jcg.re/mautrix-telegram
+    registry: docker.jcg.re
+    secrets: [ docker_username, docker_password ]
+    tags: latest

Dockerfile

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+FROM docker.jcg.re/base-alpine
+
+RUN apk add --no-cache \
+      python3-dev \
+      py3-virtualenv \
+      build-base \
+      zlib-dev \
+      jpeg-dev \
+      libxslt-dev \
+      libxml2-dev \
+      libmagic \
+      ffmpeg \
+      bash \
+ && mkdir /mautrixtelegram 
+
+WORKDIR /mautrixtelegram
+
+RUN virtualenv -p /usr/bin/python3 . \
+ && source ./bin/activate \
+ && pip install --upgrade https://github.com/tulir/mautrix-telegram/tarball/master#egg=mautrix_telegram[all]
+
+COPY root /
+
+VOLUME /data

root/etc/s6.d/mautrix-telegram/finish

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+#!/bin/bash
+s6-svscanctl -t /etc/s6.d

root/etc/s6.d/mautrix-telegram/run

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+#!/bin/bash
+
+# Define functions
+function fixperms {
+	chown -R ${UID}:${GID} /data
+}
+
+
+# Go into env
+cd /mautrixtelegram
+source ./bin/activate
+
+# Replace database path in alembic.ini
+sed -i "s#sqlite:///mautrix-telegram.db#sqlite:////data/mautrix-telegram.db#" alembic.ini
+
+# Check that database is in the right state
+alembic upgrade head
+
+if [[ ! -f /data/config.yaml ]]; then
+	cp example-config.yaml /data/config.yaml
+	sed -i "s#sqlite:///mautrix-telegram.db#sqlite:////data/mautrix-telegram.db#" /data/config.yaml
+	echo "Didn't find a config file."
+	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
+
+if [[ ! -f /data/registration.yaml ]]; then
+	python -m mautrix_telegram -g -c /data/config.yaml -f /data/registration.yaml
+	echo "Didn't find a registration file."
+	echo "Generated ode for you."
+	echo "Copy that over to synapses app service directory."
+	fixperms
+	exit
+fi
+
+fixperms
+exec su-exec ${UID}:${GID} python -m mautrix_telegram