dir list

oki@debian:~/vaultwarden$ find .
.
./ssl
./ssl/xxx.xxx.xxx.pem
./docker-compose.yml
./haproxy
./haproxy/haproxy.cfg
./vw-data
./vw-data/rsa_key.pub.pem
./vw-data/rsa_key.pem
./vw-data/icon_cache
./vw-data/db.sqlite3-shm
./vw-data/db.sqlite3-wal
./vw-data/db.sqlite3

docker-compose.yml

version: '3'

services:
  vaultwarden:
    image: vaultwarden/server:latest
    container_name: vaultwarden
    restart: always
    environment:
      - WEBSOCKET_ENABLED=true  # Enable WebSocket notifications.
    volumes:
      - ./vw-data:/data
  haproxy:
    image: haproxy:alpine3.15
    ports:
      - 9880:9880
      - 9883:9883
    volumes:
      - ./haproxy:/usr/local/etc/haproxy
      - ./ssl:/etc/ssl_certs

haproxy.cfg

global
  log /dev/log    local0
  log /dev/log    local1 notice
  daemon

  # Default SSL material locations
  ca-base /etc/ssl/certs
  crt-base /etc/ssl/private

  # See: https://ssl-config.mozilla.org/#server=haproxy&server-version=2.0.3&config=intermediate
  ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
  ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
  ssl-default-bind-options ssl-min-ver TLSv1.2 no-tls-tickets

  defaults
  log     global
  mode    http
  option  httplog
  option  dontlognull
  timeout connect 5000
  timeout client  50000
  timeout server  50000

frontend default_http
    bind *:9880
    mode http
    default_backend vaultwarden_http

frontend default_https
    bind *:9883 ssl crt /etc/ssl_certs/ alpn h2,http/1.1
    default_backend vaultwarden_http

backend vaultwarden_http
  server vaultwarden vaultwarden:80