# Opt-in two-node routing test/cluster profile. Apply migrations and seed once # on `backend`; `backend-b` waits for it and joins with its own stable node ID. # Use with docker-compose.tls.yml for the browser-facing cluster deployment. services: backend: environment: BACKEND_NODE_ID: backend-a SECURE_COOKIES: "true" backend-b: build: ./backend image: lct-hack-backend:local restart: unless-stopped # Loopback-only endpoint is used by the disposable cross-node acceptance # smoke; normal users still enter through the TLS Nginx service. ports: ["127.0.0.1:${BACKEND_B_PORT:-8001}:8000"] command: >- sh -c ' if [ -z "$${SESSION_SECRET:-}" ]; then while [ ! -s /run/lct/session-secret ]; do sleep 0.2; done; export SESSION_SECRET="$$(cat /run/lct/session-secret)"; fi; exec uvicorn app.main:app --host 0.0.0.0 --port 8000 --workers 1' environment: DATABASE_URL: postgresql+asyncpg://lct:${POSTGRES_PASSWORD:-lct}@postgres:5432/lct DB_POOL_SIZE: ${DB_POOL_SIZE:-20} DB_POOL_MAX_OVERFLOW: ${DB_POOL_MAX_OVERFLOW:-10} SESSION_SECRET: ${SESSION_SECRET:-} BACKEND_NODE_ID: backend-b SECURE_COOKIES: "true" OFFLINE: "true" LDAP_ENABLED: ${LDAP_ENABLED:-false} LDAP_URL: ${LDAP_URL:-} LDAP_BASE_DN: ${LDAP_BASE_DN:-} LDAP_BIND_DN: ${LDAP_BIND_DN:-} LDAP_BIND_PASSWORD: ${LDAP_BIND_PASSWORD:-} LDAP_USER_FILTER: ${LDAP_USER_FILTER:-'(objectClass=person)'} LDAP_LOGIN_ATTRIBUTE: ${LDAP_LOGIN_ATTRIBUTE:-sAMAccountName} LDAP_ROLE_GROUPS: "${LDAP_ROLE_GROUPS:-{}}" LDAP_SERVICE_GROUPS: "${LDAP_SERVICE_GROUPS:-{}}" LDAP_CA_CERTS_FILE: ${LDAP_CA_CERTS_FILE:-} LDAP_CONNECT_TIMEOUT_SECONDS: ${LDAP_CONNECT_TIMEOUT_SECONDS:-5} VOICE_ENABLED: "false" RECORD_CALLS: "true" RECORDINGS_DIR: /recordings LLM_PROVIDER: local LLM_BASE_URL: ${DOCKER_LLM_BASE_URL:-http://host.docker.internal:18080/v1} LLM_MODEL_CALLER: ${LLM_MODEL_CALLER:-Qwen3-1.7B} LLM_CONTROL_BASE_URL: ${DOCKER_LLM_CONTROL_BASE_URL:-http://host.docker.internal:18081/v1} LLM_MODEL_CONTROL: ${LLM_MODEL_CONTROL:-Vikhr-1B} GRAMMAR_LLM_ENABLED: ${GRAMMAR_LLM_ENABLED:-false} ALLOW_DOCKER_HOST_MODELS: "true" BACKUP_INTERVAL_SECONDS: ${BACKUP_INTERVAL_SECONDS:-86400} BACKUP_KEEP: ${BACKUP_KEEP:-14} volumes: - ./backend:/app - ./scenarios:/scenarios:ro - securitydata:/run/lct - recordings:/recordings - backups:/app/backups extra_hosts: - "host.docker.internal:host-gateway" depends_on: backend: condition: service_healthy healthcheck: test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/health', timeout=2).read()"] interval: 5s timeout: 3s retries: 12 start_period: 10s frontend: volumes: - ./frontend/nginx.cluster.conf.template:/etc/nginx/templates/default.conf.template:ro - ./frontend/nginx.cluster.tls.conf.template:/etc/nginx/templates-tls/default.conf.template:ro depends_on: backend: condition: service_healthy backend-b: condition: service_healthy