Files
reactive-mail-server/docker-compose.jambotron.yml
Liosha84 12c2223c15 75.4 Ловушка почты: catch-all только для адресов без своего ящика, файл с паролями
- MailRouter: существующий ящик получает свою почту, всё остальное (и чужие домены) —
  в ящик MAIL_CATCH_ALL; раньше ловушка забирала и письма между ящиками стенда
- DataInitializer: ящик-ловушка создаётся при старте; случайные пароли — в
  MAIL_PASSWORDS_FILE (права 600, в образе /app/data/initial-passwords.txt)
- docker-compose.jambotron.yml: MAIL_CATCH_ALL=trap@mail.test по умолчанию
- README: ловушка, файл паролей, что нужно для staging Jambotron (TCP-проброс SMTP)
- тесты: MailRouterTest, DataInitializerTest (33 всего)

α
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-05 17:43:49 +01:00

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2.9 KiB
YAML

# Test deploy on Jambotron (v0.2.3 75.3): pick this file in the deploy wizard.
# Outside, only the web client + API (service "mail", port 8080) through Jambotron's Caddy — give it a domain.
# SMTP (3025) stays inside the VM's docker network; nothing is sent outside (OUTBOUND_MODE=off).
# Secrets are generated on the first start into the "secrets" volume — nothing to type in, nothing in git.
# Mailboxes admin@<MAIL_DOMAINS> and trap@mail.test (catch-all): passwords in /app/data/initial-passwords.txt
# of the "mail" container (docker exec <mail container> cat /app/data/initial-passwords.txt).
name: reactive-mail
services:
secrets-init:
image: alpine:3.20
restart: "no"
command:
- sh
- -c
- |
umask 077
for name in DB_PASSWORD JWT_SECRET; do
[ -s /secrets/$$name ] || head -c 48 /dev/urandom | base64 | tr -dc 'A-Za-z0-9' > /secrets/$$name
done
# postgres reads it as uid 70, the app as uid 10001 — readable inside these containers only
chmod 644 /secrets/DB_PASSWORD /secrets/JWT_SECRET
volumes:
- secrets:/secrets
db:
# Debian, not -alpine: on Jambotron staging VMs (Alpine 3.24, kernel 6.18) the Alpine build of postgres
# dies with "Bus error" even on --version; the Debian build works (2026-11-05)
image: postgres:17
restart: unless-stopped
depends_on:
secrets-init:
condition: service_completed_successfully
environment:
POSTGRES_DB: mailserver
POSTGRES_USER: mail
POSTGRES_PASSWORD_FILE: /run/mail-secrets/DB_PASSWORD
volumes:
- pgdata:/var/lib/postgresql/data
- secrets:/run/mail-secrets:ro
healthcheck:
test: ["CMD-SHELL", "pg_isready -U mail -d mailserver"]
interval: 10s
timeout: 5s
retries: 10
mem_limit: 256m
mail:
build:
context: .
dockerfile: backend/Dockerfile
restart: unless-stopped
depends_on:
db:
condition: service_healthy
expose:
- "8080" # web client + API → domain in Jambotron
- "3025" # SMTP, inside the network only
environment:
DB_HOST: db
MAILSERVER_SECRETS_DIR: /run/mail-secrets
MAIL_DOMAINS: ${MAIL_DOMAINS:-mail.test}
MAIL_HOSTNAME: ${MAIL_HOSTNAME:-mail.test}
DKIM_DOMAIN: ${MAIL_DOMAINS:-mail.test}
# mail trap: mail to any address without its own mailbox here (also gmail.com etc.) goes into this mailbox
MAIL_CATCH_ALL: ${MAIL_CATCH_ALL:-trap@mail.test}
MAIL_REGISTRATION: ${MAIL_REGISTRATION:-true} # test stand: anyone can create a mailbox in MAIL_DOMAINS (nothing goes outside)
OUTBOUND_MODE: "off"
SMTP_AUTH_WITHOUT_TLS: "true" # SMTP is not reachable from outside the VM
SPF_ENABLED: "false"
DMARC_ENABLED: "false"
volumes:
- data:/app/data
- secrets:/run/mail-secrets:ro
mem_limit: 512m
volumes:
secrets:
pgdata:
data: