Files
multica/.env.example
LinYushen 5dad1f0915 fix(selfhost): clear hardcoded NEXT_PUBLIC_API_URL/WS_URL defaults (#1063)
The .env.example had hardcoded http://localhost:8080 defaults for
NEXT_PUBLIC_API_URL and NEXT_PUBLIC_WS_URL. When users copied .env.example
to .env and customized the backend port, the old defaults would still get
baked into the frontend at docker build time via NEXT_PUBLIC_WS_URL build
arg, causing API/WebSocket connection failures.

With empty defaults:
- Docker selfhost: frontend uses relative paths, Next.js rewrites proxy
  to backend internally — works regardless of external port config
- Local dev (make dev): Makefile sets these to localhost:$PORT automatically
- Browser fallback: deriveWsUrl() auto-derives WebSocket URL from page
  origin when NEXT_PUBLIC_WS_URL is empty

Closes #1055

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 14:56:30 +08:00

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# Database
POSTGRES_DB=multica
POSTGRES_USER=multica
POSTGRES_PASSWORD=multica
POSTGRES_PORT=5432
DATABASE_URL=postgres://multica:multica@localhost:5432/multica?sslmode=disable
# Server
PORT=8080
JWT_SECRET=change-me-in-production
MULTICA_SERVER_URL=ws://localhost:8080/ws
MULTICA_APP_URL=http://localhost:3000
MULTICA_DAEMON_CONFIG=
MULTICA_WORKSPACE_ID=
MULTICA_DAEMON_ID=
MULTICA_DAEMON_DEVICE_NAME=
MULTICA_DAEMON_POLL_INTERVAL=3s
MULTICA_DAEMON_HEARTBEAT_INTERVAL=15s
MULTICA_CODEX_PATH=codex
MULTICA_CODEX_MODEL=
MULTICA_CODEX_WORKDIR=
MULTICA_CODEX_TIMEOUT=20m
# Email (Resend)
# For local/dev use, leave RESEND_API_KEY empty — codes print to stdout, and master code 888888 works.
# For production, set your Resend API key and change RESEND_FROM_EMAIL to a domain verified in your Resend account.
RESEND_API_KEY=
RESEND_FROM_EMAIL=noreply@multica.ai
# Google OAuth
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=
GOOGLE_REDIRECT_URI=http://localhost:3000/auth/callback
NEXT_PUBLIC_GOOGLE_CLIENT_ID=
# S3 / CloudFront
S3_BUCKET=
S3_REGION=us-west-2
CLOUDFRONT_KEY_PAIR_ID=
CLOUDFRONT_PRIVATE_KEY_SECRET=multica/cloudfront-signing-key
CLOUDFRONT_PRIVATE_KEY=
CLOUDFRONT_DOMAIN=
COOKIE_DOMAIN=
# Local file storage (fallback when S3_BUCKET is not set)
LOCAL_UPLOAD_DIR=./data/uploads
LOCAL_UPLOAD_BASE_URL=http://localhost:8080
# Security
# Comma-separated list of allowed origins for CORS and WebSocket connections.
# Defaults to localhost dev origins when unset.
# Example: ALLOWED_ORIGINS=https://app.multica.ai,https://staging.multica.ai
ALLOWED_ORIGINS=
# Frontend
FRONTEND_PORT=3000
FRONTEND_ORIGIN=http://localhost:3000
# Leave empty — auto-derived from page origin in browser, set by Makefile for local dev.
# Only set explicitly if frontend and backend are on different domains.
NEXT_PUBLIC_API_URL=
NEXT_PUBLIC_WS_URL=
# Remote API (optional) — set to proxy local frontend to a remote backend
# Leave empty to use local backend (localhost:8080)
# REMOTE_API_URL=https://multica-api.copilothub.ai