Run Pretix in Docker, incl. DB and Redis

setup.sh

# Run Pretix in Docker, with DB and Redis also as docker containers
# This exposes Pretix on port 8080 without TLS.
# Make sure to provide a reverse proxy for proper TLS termination.
# DO NOT RUN WITHOUT TLS!


# Create local directories for the DB and Pretix itself
mkdir -p /data/pretix/{db,config,data}
touch /data/pretix/config/pretix.cfg
chown -R 15371:15371 /data/pretix/{config,data}
chmod 0700 /data/pretix/config/pretix.cfg

# Edit the pretix config file
cat > << EOF
[pretix]
instance_name=My pretix installation
url=https://tickets.example.com
currency=EUR
; DO NOT change the following value, it has to be set to the location of the
; directory *inside* the docker container
datadir=/data

[database]
backend=mysql
name=pretix
user=pretix
password=***************
host=mysql

[mail]
from=tickets@example.com
host=mail.example.com
user=tickets@example.com
password=*****
port=25
tls=on

[redis]
location=redis://redis:6379/0
sessions=true

[celery]
backend=redis://redis:6379/1
broker=redis://redis:6379/2
EOF

# Create systemd unit files for redis, mariadb and pretix itself
cat > /lib/systemd/system/docker-pretix-app.service <<EOF
[Unit]
Description=Pretix App
After=docker-pretix-db.service
Requires=docker-pretix-db.service

[Service]
TimeoutStartSec=0
Restart=always
ExecStartPre=-/usr/bin/docker kill pretix_app
ExecStartPre=-/usr/bin/docker rm pretix_app
ExecStart=/usr/bin/docker run --name pretix_app \
			-v /data/pretix/data:/data \
			-v /data/pretix/config:/etc/pretix \
			--link pretix_db:mysql \
			--link pretix_redis:redis \
      -p 8080:80 \
			makervan/pretix
ExecStop=/usr/bin/docker stop -t 10 pretix_app

[Install]
WantedBy=multi-user.target
EOF

cat > /lib/systemd/system/docker-pretix-db.service <<EOF
[Unit]
[Unit]
Description=Pretix DB
After=docker.service
Requires=docker.service

[Service]
TimeoutStartSec=0
Restart=always
ExecStartPre=-/usr/bin/docker kill pretix_db
ExecStartPre=-/usr/bin/docker rm pretix_db
ExecStart=/usr/bin/docker run --name pretix_db \
			-v /data/pretix/db:/var/lib/mysql \
			-e MYSQL_ROOT_PASSWORD=************* \
			-e MYSQL_DATABASE=pretix \
			-e MYSQL_USER=pretix \
			-e MYSQL_PASSWORD=*************** \
			mariadb:10.2
ExecStop=/usr/bin/docker stop -t 20 pretix_db

[Install]
WantedBy=multi-user.target
EOF

cat > /lib/systemd/system/docker-pretix-redis.service <<EOF
[Unit]
Description=Pretix Redis
After=docker.service
Requires=docker.service

[Service]
TimeoutStartSec=0
Restart=always
ExecStartPre=-/usr/bin/docker kill pretix_redis
ExecStartPre=-/usr/bin/docker rm pretix_redis
ExecStart=/usr/bin/docker run --name pretix_redis \
			redis
ExecStop=/usr/bin/docker stop -t 10 pretix_redis

[Install]
WantedBy=multi-user.target
EOF

# Start the three components
systemctl daemon-reload
systemctl start docker-pretix-redis.service
systemctl start docker-pretix-db.service
systemctl start docker-pretix-app.service
systemctl enable docker-pretix-redis.service
systemctl enable docker-pretix-db.service
systemctl enable docker-pretix-app.service