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

#jinja2: lstrip_blocks: "True"
[Unit]
Description=Automatic Backup of  Matrix Postgres server
After=docker.service
Requires=docker.service
DefaultDependencies=no

[Service]
Type=simple
Environment="HOME={{ matrix_systemd_unit_home_path }}"
ExecStartPre=-{{ matrix_host_command_docker }} stop matrix-postgres-backup
ExecStartPre=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-postgres-backup 2>/dev/null || true'

ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-postgres-backup \
			--log-driver=none \
			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
			--cap-drop=ALL \
			--read-only \
			--network={{ matrix_docker_network }} \
			--env-file={{ matrix_postgres_backup_path }}/env-postgres-backup \
			--mount type=bind,src={{ matrix_postgres_backup_path }},dst=/backups \
			{{ matrix_postgres_backup_docker_image_to_use }}

ExecStop=-{{ matrix_host_command_docker }} stop matrix-postgres-backup
ExecStop=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-postgres-backup 2>/dev/null || true'
Restart=always
RestartSec=30
SyslogIdentifier=matrix-postgres-backup

[Install]
WantedBy=multi-user.target