mirror of
https://github.com/chatmail/relay.git
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2e23fadb54
Replace the old IMAGE_VERSION_FILE/RUNNING_VERSION_FILE mechanism with a single deploy fingerprint (image_version:sha256(chatmail.ini)) stored at /etc/chatmail/.deploy-fingerprint. On restart, if the fingerprint matches the last successful deploy, skip cmdeploy run entirely. The fingerprint lives on the container's writable layer. On fresh containers, setting CMDEPLOY_STAGES non-empty in env forces a deploy run regardless of fingerprint. Also narrow the /home volume mount to /home/vmail.
52 lines
1.8 KiB
YAML
52 lines
1.8 KiB
YAML
# Base compose file — do not edit. Put customizations (data paths, extra
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# volumes, env overrides) in docker-compose.override.yaml instead.
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# See docker/docker-compose.override.yaml.example for a starting point.
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#
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# Security note: this container uses network_mode:host (chatmail needs many
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# ports: 25, 53, 80, 143, 443, 465, 587, 993, 3340, 8443) and cgroup:host
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# (required for systemd). Together these give the container near-host-level
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# access. This is acceptable for a dedicated mail server, but be aware that
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# the container can bind any port and see all host network traffic.
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services:
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chatmail:
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build:
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context: ./
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dockerfile: docker/chatmail_relay.dockerfile
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args:
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GIT_HASH: ${GIT_HASH:-unknown}
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image: chatmail-relay:latest
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restart: unless-stopped
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container_name: chatmail
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# Required for systemd — use only one of the following:
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cgroup: host # compose v2 only
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# privileged: true # compose v1 (not tested)
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tty: true # required for logs
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tmpfs: # required for systemd
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- /tmp
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- /run
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- /run/lock
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logging:
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driver: json-file
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options:
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max-size: "10m"
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max-file: "3"
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environment:
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MAIL_DOMAIN: $MAIL_DOMAIN
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CMDEPLOY_STAGES: ${CMDEPLOY_STAGES:-}
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CHATMAIL_NOSYSCTL: ${CHATMAIL_NOSYSCTL:-True}
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CHATMAIL_NOPORTCHECK: ${CHATMAIL_NOPORTCHECK:-True}
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CHATMAIL_NOACME: ${CHATMAIL_NOACME:-}
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network_mode: "host"
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volumes:
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## system (required)
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- /sys/fs/cgroup:/sys/fs/cgroup:rw
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## data (defaults — override in docker-compose.override.yaml)
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- chatmail-data:/home/vmail
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- chatmail-dkimkeys:/etc/dkimkeys
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- chatmail-acme:/var/lib/acme
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volumes:
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chatmail-data:
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chatmail-dkimkeys:
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chatmail-acme:
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