feat(web1): add mailflow webmail stack, drop tmail webmail - #485
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Replace the stopped tmail-web "webmail" stack on web1 with MailFlow 3.8.1 (unified IMAP/SMTP webmail): nginx frontend, Node backend, PostgreSQL 18 and Valkey, adapted from upstream docker-compose.ghcr.yml. - Frontend published HTTP-only on 127.0.0.1:3008; TLS stays with the host reverse proxy, upstream's Caddy profile is dropped. - Frontend and backend: cap_drop ALL, no-new-privileges, read_only with tmpfs. nginx needs CHOWN/SETUID/SETGID (temp dirs, worker drop) plus NET_BIND_SERVICE for :80/:443. - Postgres/Valkey are exempt per the data-store rule; images match the digests already pinned for twenty. - Migration 0004 composes down the old webmail project and removes /opt/containers/webmail, which the copy task would otherwise leave. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011mzrFnReayRM6LnqhZks6R
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anatolinicolae
changed the title
Drop the inline environment blocks: backend wiring now lives in .env and the postgres container reads its own .env.postgres (twenty's pattern), both with committed .example files. The pg_isready healthcheck reads POSTGRES_USER/POSTGRES_DB from the container env instead of hardcoding. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011mzrFnReayRM6LnqhZks6R
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Summary
Replaces the retired tmail-web "webmail" stack with MailFlow, a unified IMAP/SMTP webmail client. This includes the new MailFlow compose configuration, environment setup, migration cleanup, and documentation updates.
Changes
New MailFlow stack (
web1/containers/mailflow/):docker-compose.yml: Four-service stack (frontend nginx, Node.js backend, PostgreSQL 18, Valkey 9.1)cap_drop: [ALL],no-new-privileges: true, read-only roots with tmpfs127.0.0.1:3008(TLS terminated by host reverse proxy)/api/health; database and cache health checks included.env.example: Template for required secrets (SESSION_SECRET, DB_PASSWORD, ENCRYPTION_KEY) and optional features (web push, Google OAuth, IMAP tuning)Removed old webmail stack (
web1/containers/webmail/):Migration task (
web1/ansible/migrations/20261004_0004_remove_webmail_stack.yml):/opt/containers/webmaildirectory on deployAnsible configuration updates:
docker_stacksinroles/system/containers/defaults/main.yml: Changed webmail fromstate: stoppedto mailflow withstate: presentandenv_file: trueenv.filecreation task fromroles/system/containers/tasks/main.ymlDocumentation (
CLAUDE.md):Implementation Details
TRUST_PROXY_HOPS=2(frontend nginx + host reverse proxy)ENCRYPTION_KEY) is critical — changing it invalidates stored IMAP/SMTP credentialsUPDATE_CHECK_DISABLED=trueprevents redundant checks--save 60 1)https://claude.ai/code/session_011mzrFnReayRM6LnqhZks6R