.env.docker.example

# Optional overrides for `docker compose up`.
#
# Copy to `.env` (compose reads it automatically) to customise. Every value
# below already has a working default baked into docker-compose.yml, so an
# empty/absent .env still gives you a fully functioning local stack.
#
# NOTE: DATABASE_URL / REDIS_URL / PISTON_URL are NOT listed here — inside the
# compose network they must point at the service names (postgres, redis,
# piston), so they are hardcoded in the compose file rather than made
# overridable by accident.

# Signs guest JWTs. CHANGE THIS for anything reachable from the internet.
JWT_SECRET=dev-secret-change-me-in-production

# Comma-separated origins the API and ws-server accept.
CORS_ORIGINS=http://localhost:3001

# How many submissions the judge runs in parallel.
JUDGE_CONCURRENCY=4

# The URLs the BROWSER uses to reach the backend. These get inlined into the
# client bundle at image-build time, so change them before `--build` if you are
# deploying somewhere other than localhost.
NEXT_PUBLIC_API_URL=http://localhost:4001
NEXT_PUBLIC_WS_URL=ws://localhost:4002/ws

# Host ports for the infra containers. Only used for poking at them from the
# host — the app services always reach them over the compose network. Remap
# these if you already run Postgres/Redis/Piston locally, e.g. REDIS_PORT=6380.
POSTGRES_PORT=5432
REDIS_PORT=6379
PISTON_PORT=2000