docker: add traefik support

This commit is contained in:
Keonik1
2025-10-08 11:24:22 +02:00
committed by missytake
parent 2c344d7fc5
commit 5e4f9deb28
13 changed files with 246 additions and 6 deletions

1
.gitignore vendored
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@@ -170,3 +170,4 @@ chatmail.zone
/custom/
docker-compose.yaml
.env
/traefik/data/

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@@ -25,6 +25,7 @@
- Add configuration parameters
([#614](https://github.com/chatmail/relay/pull/614)):
- `use_foreign_cert_manager` - Use a third-party certificate manager instead of acmetool (default: `False`)
- `change_kernel_settings` - Whether to change kernel parameters during installation (default: `True`)
- `fs_inotify_max_user_instances_and_watchers` - Value for kernel parameters `fs.inotify.max_user_instances` and `fs.inotify.max_user_watches` (default: `65535`)

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@@ -44,6 +44,9 @@ class Config:
)
self.mtail_address = params.get("mtail_address")
self.disable_ipv6 = params.get("disable_ipv6", "false").lower() == "true"
self.use_foreign_cert_manager = (
params.get("use_foreign_cert_manager", "false").lower() == "true"
)
self.change_kernel_settings = (
params.get("change_kernel_settings", "true").lower() == "true"
)

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@@ -60,6 +60,9 @@ postfix_reinject_port_incoming = 10026
# if set to "True" IPv6 is disabled
disable_ipv6 = False
# if you set "True", acmetool will not be installed and you will have to manage certificates yourself.
use_foreign_cert_manager = False
#
# Kernel settings
#

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@@ -726,6 +726,7 @@ def deploy_chatmail(config_path: Path, disable_mail: bool) -> None:
deploy_iroh_relay(config)
# Deploy acmetool to have TLS certificates.
if not config.use_foreign_cert_manager:
tls_domains = [mail_domain, f"mta-sts.{mail_domain}", f"www.{mail_domain}"]
deploy_acmetool(
domains=tls_domains,

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@@ -0,0 +1,136 @@
services:
chatmail:
build:
context: ./docker
dockerfile: chatmail_relay.dockerfile
tags:
- chatmail-relay:latest
image: chatmail-relay:latest
restart: unless-stopped
container_name: chatmail
depends_on:
- traefik-certs-dumper
cgroup: host # required for systemd
tty: true # required for logs
tmpfs: # required for systemd
- /tmp
- /run
- /run/lock
logging:
driver: json-file
options:
max-size: "10m"
max-file: "3"
environment: #all possible variables you can check inside README and /chatmaild/src/chatmaild/ini/chatmail.ini.f
MAIL_DOMAIN: $MAIL_DOMAIN
# MAX_MESSAGE_SIZE: "50M"
# DEBUG_COMMANDS_ENABLED: "true"
# FORCE_REINIT_INI_FILE: "true"
# RECREATE_VENV: "false"
USE_FOREIGN_CERT_MANAGER: "true"
CHANGE_KERNEL_SETTINGS: "false"
PATH_TO_SSL: "${CERTS_ROOT_DIR_CONTAINER}/${MAIL_DOMAIN}"
ENABLE_CERTS_MONITORING: "true"
# CERTS_MONITORING_TIMEOUT: 60
# IS_DEVELOPMENT_INSTANCE: "true"
ports:
- "25:25"
- "587:587"
- "143:143"
- "465:465"
- "993:993"
volumes:
## system
- /sys/fs/cgroup:/sys/fs/cgroup:rw # required for systemd
- ./:/opt/chatmail
- ${CERTS_ROOT_DIR_HOST}:${CERTS_ROOT_DIR_CONTAINER}:ro
## data
- ./data/chatmail:/home
# - ./data/chatmail-dkimkeys:/etc/dkimkeys
# - ./data/chatmail-echobot:/run/echobot
# - ./data/chatmail-acme:/var/lib/acme
## custom resources
# - ./custom/www/src/index.md:/opt/chatmail/www/src/index.md
## debug
# - ./docker/files/setup_chatmail_docker.sh:/setup_chatmail_docker.sh
# - ./docker/files/entrypoint.sh:/entrypoint.sh
# - ./docker/files/update_ini.sh:/update_ini.sh
labels:
- traefik.enable=true
- traefik.http.services.chatmail-relay.loadbalancer.server.scheme=https
- traefik.http.services.chatmail-relay.loadbalancer.server.port=443
- traefik.http.services.chatmail-relay.loadbalancer.serverstransport=insecure@file
- traefik.http.routers.chatmail-relay.rule=Host(`${MAIL_DOMAIN}`) || Host(`mta-sts.${MAIL_DOMAIN}`) || Host(`www.${MAIL_DOMAIN}`)
- traefik.http.routers.chatmail-relay.service=chatmail-relay
- traefik.http.routers.chatmail-relay.tls=true
- traefik.http.routers.chatmail-relay.tls.certresolver=letsEncrypt
traefik_init:
image: alpine:latest
restart: on-failure
logging:
driver: json-file
options:
max-size: "10m"
max-file: "3"
working_dir: /app
entrypoint: sh -c '
touch acme.json &&
chown 0:0 ./acme.json &&
chmod 600 ./acme.json'
volumes:
- ./traefik/data:/app
traefik:
image: traefik:v3.3
container_name: traefik
restart: unless-stopped
logging:
driver: json-file
options:
max-size: "10m"
max-file: "3"
command:
- "--configFile=/config.yaml"
- "--certificatesresolvers.letsEncrypt.acme.email=${ACME_EMAIL}"
# ports:
# - "80:80"
# - "443:443"
network_mode: host
depends_on:
traefik_init:
condition: service_completed_successfully
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- ./traefik/config.yaml:/config.yaml
- ./traefik/data/acme.json:/acme.json
- ./traefik/dynamic-configs:/dynamic/conf
traefik-certs-dumper:
image: ldez/traefik-certs-dumper:v2.10.0
restart: unless-stopped
logging:
driver: json-file
options:
max-size: "10m"
max-file: "3"
depends_on:
- traefik
entrypoint: sh -c '
apk add openssl &&
while ! [ -e /data/acme.json ]
|| ! [ `jq ".[] | .Certificates | length" /data/acme.json | jq -s "add" ` != 0 ]; do
sleep 1
; done
&& traefik-certs-dumper file --version v3 --watch --domain-subdir=true
--source /data/acme.json --dest /data/letsencrypt/certs --post-hook "sh /post-hook.sh"'
environment:
CERTS_DIR: /data/letsencrypt/certs
volumes:
- ./traefik/data/letsencrypt:/data/letsencrypt
- ./traefik/data/acme.json:/data/acme.json
- ./traefik/post-hook.sh:/post-hook.sh

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@@ -1 +1,5 @@
MAIL_DOMAIN="chat.example.com"
ACME_EMAIL="my.email@gmail.com"
CERTS_ROOT_DIR_HOST="./traefik/data/letsencrypt/certs"
CERTS_ROOT_DIR_CONTAINER="/var/lib/acme/live"

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@@ -3,6 +3,19 @@ set -eo pipefail
unlink /etc/nginx/sites-enabled/default || true
if [ "${USE_FOREIGN_CERT_MANAGER,,}" == "true" ]; then
if [ ! -f "$PATH_TO_SSL/fullchain" ]; then
echo "Error: file '$PATH_TO_SSL/fullchain' does not exist. Exiting..." > /dev/stderr
sleep 2
exit 1
fi
if [ ! -f "$PATH_TO_SSL/privkey" ]; then
echo "Error: file '$PATH_TO_SSL/privkey' does not exist. Exiting..." > /dev/stderr
sleep 2
exit 1
fi
fi
SETUP_CHATMAIL_SERVICE_PATH="${SETUP_CHATMAIL_SERVICE_PATH:-/lib/systemd/system/setup_chatmail.service}"
env_vars=$(printenv | cut -d= -f1 | xargs)

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@@ -32,11 +32,25 @@ Please substitute it with your own domain.
```
## Installation
When installing via Docker, there are several options:
1. Copy the file `./docker/docker-compose-default.yaml` to `docker-compose.yaml`. This is necessary because `docker-compose.yaml` is in `.gitignore` and wont cause conflicts when updating the git repository.
- Use the built-in nginx and acmetool in Chatmail container to host the chat and manage certificates.
- Use third-party tools for certificate management.
For the third-party certificate manager example, traefik will be used, but you can use whatever is more convenient for you.
1. Copy the file `./docker/docker-compose-default.yaml` or `./docker/docker-compose-traefik.yaml` and rename it to `docker-compose.yaml`. This is necessary because `docker-compose.yaml` is in `.gitignore` and wont cause conflicts when updating the git repository.
```shell
cp ./docker/docker-compose-default.yaml docker-compose.yaml
## or
# cp ./docker/docker-compose-traefik.yaml docker-compose.yaml
```
2. Copy `./docker/example.env` and rename it to `.env`. This file stores variables used in `docker-compose.yaml`.
```shell
cp ./docker/example.env .env
```
3. Configure environment variables in the `.env` file. These variables are used in the `docker-compose.yaml` file to pass repeated values.

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@@ -29,10 +29,22 @@ Please substitute it with your own domain.
```
## Installation
При установке через docker есть несколько вариантов:
- использовать встроенный в chatmail контейнер nginx и acmetool для хостинга чата и управления сертификатами.
- использовать сторонние инструменты для менеджмента сертификатов
1. Скопировать файл `./docker/docker-compose-default.yaml` в `docker-compose.yaml`. Это нужно потому что `docker-compose.yaml` находится в `.gitignore` и не будет создавать конфликты при обновлении гит репозитория.
В качестве примера для стороннего менеджера сертификатов будет использоваться traefik, но вы можете использовать то что удобнее вам.
1. Скопировать файл `./docker/docker-compose-default.yaml` или `./docker/docker-compose-traefik.yaml` и переименовать в `docker-compose.yaml`. Это нужно потому что `docker-compose.yaml` находится в `.gitignore` и не будет создавать конфликты при обновлении гит репозитория.
```shell
cp ./docker/docker-compose-default.yaml docker-compose.yaml
## or
# cp ./docker/docker-compose-traefik.yaml docker-compose.yaml
```
2. Скопировать `./docker/example.env` и переименовать в `.env`. Здесь хранятся переменные, которые используятся в `docker-compose.yaml`.
```shell
cp ./docker/example.env .env
```
3. Настроить переменные окружения в `.env` файле. Эти переменные используются в `docker-compose.yaml` файле, чтобы передавать повторяющиеся значения.

33
traefik/config.yaml Normal file
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@@ -0,0 +1,33 @@
log:
level: TRACE
entryPoints:
web:
address: ":80"
http:
redirections:
entryPoint:
to: websecure
permanent: true
websecure:
address: ":443"
providers:
docker:
endpoint: "unix:///var/run/docker.sock"
exposedByDefault: false
file:
directory: /dynamic/conf
watch: true
serverstransport:
insecureskipverify: true
certificatesResolvers:
letsEncrypt:
acme:
storage: /acme.json
caServer: "https://acme-v02.api.letsencrypt.org/directory"
tlschallenge: true
httpChallenge:
entryPoint: web

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@@ -0,0 +1,4 @@
http:
serversTransports:
insecure:
insecureSkipVerify: true

15
traefik/post-hook.sh Executable file
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@@ -0,0 +1,15 @@
CERTS_DIR=${CERTS_DIR:-"/data/letsencrypt/certs"}
echo "CERTS_DIR: $CERTS_DIR"
for dir in "$CERTS_DIR"/*/; do
echo "Processing: $dir"
cd "$dir"
if [ -f "certificate.crt" ]; then
ln -sf certificate.crt fullchain
fi
if [ -f "privatekey.key" ]; then
ln -sf privatekey.key privkey
fi
cd -
done