matrix-docker-ansible-deploy/roles/custom/matrix-dendrite/templates/systemd/matrix-dendrite.service.j2

#jinja2: lstrip_blocks: "True"
[Unit]
Description=Dendrite server
{% for service in matrix_dendrite_systemd_required_services_list %}
Requires={{ service }}
After={{ service }}
{% endfor %}
{% for service in matrix_dendrite_systemd_wanted_services_list %}
Wants={{ service }}
{% endfor %}
DefaultDependencies=no

[Service]
Type=simple
Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-dendrite 2>/dev/null || true'
ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-dendrite 2>/dev/null || true'

{% if (devture_postgres_identifier + '.service') in matrix_dendrite_systemd_required_services_list %}
# Dendrite is too quick to start in relation to its Postgres dependency.
# Delay Dendrite startup to avoid failing with: "failed to connect to accounts db" ("pq: the database system is starting up").
ExecStartPre={{ matrix_host_command_sleep }} 5
{% endif %}

ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
			--rm \
			--name=matrix-dendrite \
			--log-driver=none \
			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
			--cap-drop=ALL \
			--read-only \
			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_dendrite_tmp_directory_size_mb }}m \
			--network={{ matrix_dendrite_container_network }} \
			{% if matrix_dendrite_container_http_host_bind_address and matrix_dendrite_http_bind_port %}
			-p {{ matrix_dendrite_container_http_host_bind_address }}:{{ matrix_dendrite_http_bind_port }} \
			{% endif %}
			{% if matrix_dendrite_container_https_host_bind_address and matrix_dendrite_https_bind_port %}
			-p {{ matrix_dendrite_container_https_host_bind_address }}:{{ matrix_dendrite_https_bind_port }} \
			{% endif %}
			--mount type=bind,src={{ matrix_dendrite_config_dir_path }},dst=/data,ro \
			--mount type=bind,src={{ matrix_dendrite_storage_path }},dst=/matrix-media-store-parent,bind-propagation=slave \
			--mount type=bind,src={{ matrix_dendrite_nats_storage_path }},dst=/matrix-nats-store,bind-propagation=slave \
			--label-file={{ matrix_dendrite_base_path }}/labels \
			{% for volume in matrix_dendrite_container_additional_volumes %}
			--mount type={{ volume.type | default('bind' if '/' in volume.src else 'volume') }},src={{ volume.src }},dst={{ volume.dst }}{{ (',' + volume.options) if volume.options else '' }} \
			{% endfor %}
			{% for arg in matrix_dendrite_container_arguments %}
			{{ arg }} \
			{% endfor %}
			{{ matrix_dendrite_docker_image }} \
			-config /data/dendrite.yaml \
			{{ matrix_dendrite_process_extra_arguments|join(' ') }} \
			{% if matrix_dendrite_http_bind_address %}
			-http-bind-address {{ matrix_dendrite_http_bind_address }}
			{% endif %}
			{% if matrix_dendrite_https_bind_address %}
			-https-bind-address {{ matrix_dendrite_https_bind_address }}
			{% endif %}

{% for network in matrix_dendrite_container_additional_networks %}
ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} matrix-dendrite
{% endfor %}

ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach matrix-dendrite

# Intentional delay, so that the homeserver can manage to start and various services
# that depend on it (After/Requires) may only start after the homeserver is up and running.
ExecStartPost=-{{ matrix_host_command_sleep }} 3

ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-dendrite 2>/dev/null || true'
ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-dendrite 2>/dev/null || true'
ExecReload={{ devture_systemd_docker_base_host_command_docker }} exec matrix-dendrite /bin/sh -c 'kill -HUP 1'
Restart=always
RestartSec=30
SyslogIdentifier=matrix-dendrite

[Install]
WantedBy=multi-user.target