mirror of
https://github.com/spantaleev/matrix-docker-ansible-deploy.git
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316d653d3e
We run containers as a non-root user (no effective capabilities). Still, if a setuid binary is available in a container image, it could potentially be used to give the user the default capabilities that the container was started with. For Docker, the default set currently is: - "CAP_CHOWN" - "CAP_DAC_OVERRIDE" - "CAP_FSETID" - "CAP_FOWNER" - "CAP_MKNOD" - "CAP_NET_RAW" - "CAP_SETGID" - "CAP_SETUID" - "CAP_SETFCAP" - "CAP_SETPCAP" - "CAP_NET_BIND_SERVICE" - "CAP_SYS_CHROOT" - "CAP_KILL" - "CAP_AUDIT_WRITE" We'd rather prevent such a potential escalation by dropping ALL capabilities. The problem is nicely explained here: https://github.com/projectatomic/atomic-site/issues/203
35 lines
1.2 KiB
Django/Jinja
35 lines
1.2 KiB
Django/Jinja
[Unit]
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Description=Matrix nginx-proxy server
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{% for service in matrix_nginx_proxy_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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{% for service in matrix_nginx_proxy_systemd_wanted_services_list %}
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Wants={{ service }}
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{% endfor %}
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[Service]
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Type=simple
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ExecStartPre=-/usr/bin/docker kill matrix-nginx-proxy
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ExecStartPre=-/usr/bin/docker rm matrix-nginx-proxy
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ExecStart=/usr/bin/docker run --rm --name matrix-nginx-proxy \
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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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--network={{ matrix_docker_network }} \
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-p 80:8080 \
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-p 443:8443 \
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-v {{ matrix_nginx_proxy_data_path }}/nginx.conf:/etc/nginx/nginx.conf:ro \
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-v {{ matrix_nginx_proxy_confd_path }}:/etc/nginx/conf.d:ro \
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-v {{ matrix_ssl_config_dir_path }}:{{ matrix_ssl_config_dir_path }}:ro \
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-v {{ matrix_static_files_base_path }}:{{ matrix_static_files_base_path }}:ro \
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{{ matrix_nginx_proxy_docker_image }}
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ExecStop=-/usr/bin/docker kill matrix-nginx-proxy
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ExecStop=-/usr/bin/docker rm matrix-nginx-proxy
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ExecReload=/usr/bin/docker exec matrix-nginx-proxy /usr/sbin/nginx -s reload
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Restart=always
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RestartSec=30
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[Install]
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WantedBy=multi-user.target
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