matrix-docker-ansible-deploy/roles/matrix-server/templates/systemd/matrix-postgres.service.j2

[Unit]
Description=Matrix Postgres server
After=docker.service
Requires=docker.service

[Service]
Type=simple
ExecStartPre=-/usr/bin/docker stop matrix-postgres
ExecStartPre=-/usr/bin/docker rm matrix-postgres
ExecStartPre=-/usr/bin/mkdir {{ matrix_postgres_data_path }}
ExecStartPre=-/usr/bin/chown {{ matrix_user_uid }}:{{ matrix_user_gid }} {{ matrix_postgres_data_path }}
ExecStart=/usr/bin/docker run --rm --name matrix-postgres \
			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
			--env-file={{ matrix_environment_variables_data_path }}/env-postgres-server-docker \
			-v {{ matrix_postgres_data_path }}:/var/lib/postgresql/data \
			-v /etc/passwd:/etc/passwd:ro \
			{{ docker_postgres_image_to_use }}
ExecStop=-/usr/bin/docker stop matrix-postgres
ExecStop=-/usr/bin/docker rm matrix-postgres
Restart=always
RestartSec=30

[Install]
WantedBy=multi-user.target