ungleich-k8s/apps/matrix

Todos / missing 2021-12-21

• Splitting / checking postgresql
• Setting up element-web + config
• Defining the homeserver.yaml
• Integration with certbot

Components

General

• Need switches for element-web (?)
  • Or always deploy

element-web

• Needs config: /app/config.json
• Needs FQDN for HTTPS / nginx
• Maybe limit the builtin webserver to localhost?
  • Configmap to /etc/nginx/conf.d/default.conf
  • Entrypoint nginx -g daemon offD

To add:

add_header X-Frame-Options SAMEORIGIN;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Content-Security-Policy "frame-ancestors 'none'";

matrix-synapse

• Requires homeserver.yaml for starting
• Need to overwrite the entrypoint
• How/where do we specifiy the postgresql password?
  • Maybe in our own init container using alpine?

Need to generate for postgresql:

database:
  # The database engine name
  name: "psycopg2"
  # Arguments to pass to the engine
  args:
    database: "matrix-synapse"
    host: "/var/run/postgresql"
    user: "matrix-synapse"
    password: ""
    cp_min: 10
    cp_min: 5

For configuration set/do not set:

• SYNAPSE_CONFIG_DIR=/config (this contains generated files from us)
• SYNAPSE_DATA_DIR is by default /data, keep as is

Save under:

Missing

• db secret generation (sops?)
  • done via mittwald
• SMTP settings / secrets (ungleich mail + sops?)
• Exposing sizes in value.yaml (db, gitea)
  • Maybe reducing to 1 PVC?

TODOs

• Move postgres into own service -> stays running by default

Reset

What I want:

• Easy access to latest matrix version
  • Based on the official container makes sense
• Being able to inject postgres secret
• Postgres not restarting if synapse is getting updated
  • 2nd service could nicely solve that

input / image

/data

SYNAPSE_CONFIG_DIR: where additional config files are stored. Defaults to /data.

SYNAPSE_CONFIG_PATH: path to the config file. Defaults to <SYNAPSE_CONFIG_DIR>/homeserver.yaml

TZ: the timezone the container will run with. Defaults to UTC.

docker run -d --name synapse
--mount type=volume,src=synapse-data,dst=/data
-p 8008:8008
matrixdotorg/synapse:latest run
-m synapse.app.generic_worker
--config-path=/data/homeserver.yaml
--config-path=/data/generic_worker.yaml

admin user

docker exec -it synapse register_new_matrix_user http://localhost:8008 -c /data/homeserver.yaml --help

Setup in terms of functionality

Synapse

• Base, clear

Element

• Another FQDN
• If set, another nginx instance