64e2b26ed5
We were mounting our own configuration to
`/usr/share/nginx/html/config.json`, which is a symlink to
`/tmp/config.json`. So we effectively mount our file to
`/tmp/config.json`.
When starting:
- if Hydrogen sees a `CONFIG_OVERRIDE` environment variable,
it will try to save it into our read-only config file and fail.
- if Hydrogen doesn't see a `CONFIG_OVERRIDE` environment variable (the
path we go through, because we don't pass such a variable),
it will try to copy its bundled configuration (`/config.json.bundled`)
to `/tmp/config.json`. Because our configuration is mounted as read-only, it will
fail.
In both cases, it will fail with:
> cp: can't create '/tmp/config.json': File exists
Source: 3720de36bb/docker/dynamic-config.sh
We work around this by mounting our configuration on top of the bundled
one (`/config.json.bundled`). We then let Hydrogen's startup script copy
it to `/tmp/config.json` (a tmpfs we've mounted into the container) and use it from there.
41 lines
1.9 KiB
Django/Jinja
41 lines
1.9 KiB
Django/Jinja
#jinja2: lstrip_blocks: "True"
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[Unit]
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Description=Matrix Hydrogen Client
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{% for service in matrix_client_hydrogen_systemd_required_services_list %}
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Requires={{ service }}
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After={{ service }}
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{% endfor %}
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DefaultDependencies=no
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[Service]
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Type=simple
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Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-client-hydrogen 2>/dev/null || true'
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-client-hydrogen 2>/dev/null || true'
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ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-client-hydrogen \
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--log-driver=none \
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--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
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--cap-drop=ALL \
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--read-only \
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--network={{ matrix_docker_network }} \
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{% if matrix_client_hydrogen_container_http_host_bind_port %}
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-p {{ matrix_client_hydrogen_container_http_host_bind_port }}:8080 \
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{% endif %}
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--tmpfs=/tmp:rw,noexec,nosuid,size=10m \
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--mount type=bind,src={{ matrix_client_hydrogen_data_path }}/nginx.conf,dst=/etc/nginx/nginx.conf,ro \
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--mount type=bind,src={{ matrix_client_hydrogen_data_path }}/config.json,dst=/config.json.bundled,ro \
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{% for arg in matrix_client_hydrogen_container_extra_arguments %}
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{{ arg }} \
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{% endfor %}
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{{ matrix_client_hydrogen_docker_image }}
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ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-client-hydrogen 2>/dev/null || true'
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ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-client-hydrogen 2>/dev/null || true'
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Restart=always
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RestartSec=30
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SyslogIdentifier=matrix-client-hydrogen
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[Install]
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WantedBy=multi-user.target
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