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7df907f271
Add Docker-based deployment: Dockerfile based on systemd image, docker-compose.yaml, build script, entrypoint, external certificate monitoring, CI workflow, and documentation. This builds on the chatmaild/cmdeploy preparation in the previous commit (j4n/docker-prep-chatmail) which added the env-var-driven feature flags (CHATMAIL_NOSYSCTL, CHATMAIL_NOPORTCHECK, CHATMAIL_NOACME) and @local deployment support needed by the container. This is commit 2 of 3 to merge squashed changes on j4n/docker and docker branches, original commits were beef0ec..606f36e Architecture overview (mostly by original author Keonik1): - Debian-systemd image wrapping the existing cmdeploy install - Host networking to not manually expose the many ports needed - Config via MAIL_DOMAIN env var or (new) mounted chatmail.ini - New: cmdeploy stages: install at build, configure+activate at startup - New: Monitoring service for external certs via systemd timer (chatmail-certmon) - New: Image version tracking for automatic upgrade detection (cm + config hash) - New: docker-compose.override.yaml pattern for user customizations - New: GitHub Actions CI for ghcr.io image builds Traefik reverse-proxy support is prepared but the specific files are excluded from this PR and will be submitted separately. TODO: - [ ] Pull out CHATMAIL_NOACME as PR #855 introduced a proper mechanism - [ ] Check if underlying image could be based on regular debian-slim images with a step to enable systemd, similar to https://github.com/alexdzyoba/docker-debian-systemd Files added: .dockerignore .github/workflows/docker-build.yaml docker-compose.yaml docker-compose.override.yaml.example docker/build.sh docker/chatmail_relay.dockerfile docker/files/chatmail-certmon.{service,sh,timer} docker/files/entrypoint.sh docker/files/setup_chatmail.service docker/files/setup_chatmail_docker.sh env.example doc/source/docker.rst Files modified: .gitignore doc/source/getting_started.rst doc/source/index.rst Co-authored-by: Keonik1 <keonik.dev@gmail.com> Co-authored-by: missytake <missytake@systemli.org>
13 lines
562 B
Bash
Executable File
13 lines
562 B
Bash
Executable File
#!/bin/bash
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set -eo pipefail
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SETUP_CHATMAIL_SERVICE_PATH="${SETUP_CHATMAIL_SERVICE_PATH:-/lib/systemd/system/setup_chatmail.service}"
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# Whitelist only the env vars needed by setup_chatmail_docker.sh.
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# Forwarding all env vars (via printenv) would leak Docker internals,
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# orchestrator secrets, and other unrelated variables into systemd.
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env_vars="MAIL_DOMAIN CMDEPLOY_STAGES CHATMAIL_INI CHATMAIL_NOSYSCTL CHATMAIL_NOPORTCHECK CHATMAIL_NOACME PATH_TO_SSL PATH"
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sed -i "s|<envs_list>|$env_vars|g" "$SETUP_CHATMAIL_SERVICE_PATH"
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exec /lib/systemd/systemd "$@"
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