Deploying Conduit (Matrix homeserver built in Rust) on Fly.io

Dockerfile

# https://gitlab.com/famedly/conduit/-/blob/next/docker/README.md
# https://gitlab.com/famedly/conduit/-/blob/next/Dockerfile
# https://hub.docker.com/r/matrixconduit/matrix-conduit

FROM matrixconduit/matrix-conduit:next-bullseye

ENV CONDUIT_SERVER_NAME="my.domain.com"
ENV CONDUIT_DATABASE_BACKEND="rocksdb"

# Set to false after making your first admin user
ENV CONDUIT_ALLOW_REGISTRATION=true

ENV CONDUIT_ALLOW_FEDERATION=true
ENV CONDUIT_MAX_REQUEST_SIZE=20000000
ENV CONDUIT_TRUSTED_SERVERS="[\"matrix.org\"]"
ENV CONDUIT_MAX_CONCURRENT_REQUESTS="100"
ENV CONDUIT_LOG="warn,rocket=off,_=off,sled=off"

fly.toml

app = "my-matrix-app"
kill_signal = "SIGINT"
kill_timeout = 5
processes = []

[experimental]
  allowed_public_ports = []
  auto_rollback = true

# Data
[[mounts]]
  destination = "/var/lib/matrix-conduit"
  source = "matrix_data"

[[services]]
  http_checks = []
  internal_port = 6167
  processes = ["app"]
  protocol = "tcp"
  script_checks = []
  [services.concurrency]
    hard_limit = 25
    soft_limit = 20
    type = "connections"

  [[services.ports]]
    handlers = ["tls", "http"]
    port = 8448

  [[services.ports]]
    handlers = ["tls", "http"]
    port = 443

  [[services.tcp_checks]]
    grace_period = "1s"
    interval = "15s"
    restart_limit = 0
    timeout = "2s"