compose.e2e.yaml

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# Ephemeral stack for the Playwright end-to-end suite.
#
# This is deliberately NOT compose.yaml: that one bind-mounts ./postgres-data
# (state would leak between runs) and reads the gitignored container.env. Here
# the database is thrown away on every run and all env is inline, because
# .gitignore ignores `*.env` and a new env file would be silently untracked.
#
# Always invoke through scripts/e2e.sh, which adds the flags that actually
# guarantee a clean database (see the `db` service).
name: spliit-e2e

services:
  app:
    build:
      context: .
    image: spliit-e2e:latest
    ports:
      # Keep the container port at 3000: next.config.mjs pins
      # experimental.serverActions.allowedOrigins to 'localhost:3000'.
      # E2E_HOST_PORT is only an escape hatch when 3000 is taken on the host.
      - '${E2E_HOST_PORT:-3000}:3000'
    environment:
      POSTGRES_PRISMA_URL: postgresql://postgres:e2e@db:5432/spliit_e2e
      POSTGRES_URL_NON_POOLING: postgresql://postgres:e2e@db:5432/spliit_e2e
      NEXT_TELEMETRY_DISABLED: '1'
    restart: 'no'
    depends_on:
      db:
        condition: service_healthy
    healthcheck:
      # 127.0.0.1 rather than localhost: busybox may resolve localhost to ::1.
      # /api/health/readiness runs `SELECT 1`, and scripts/container-entrypoint.sh
      # runs `prisma migrate deploy` *before* starting the server -- so any 200 here
      # proves the schema is migrated and the app is serving.
      test:
        [
          'CMD-SHELL',
          'wget -q -O /dev/null http://127.0.0.1:3000/api/health/readiness || exit 1',
        ]
      interval: 3s
      timeout: 5s
      retries: 40
      start_period: 20s

  db:
    image: postgres:17-alpine
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: e2e
      POSTGRES_DB: spliit_e2e
    # No published port, so this never collides with a local postgres.
    #
    # No named volume either -- but note the postgres image itself declares
    # `VOLUME /var/lib/postgresql/data`, so Compose still creates an *anonymous*
    # volume. Freshness therefore comes from `up --renew-anon-volumes` and
    # `down --volumes` in scripts/e2e.sh, not from the absence of a volume here.
    #
    # A tmpfs on that path is deliberately avoided: it mounts root-owned and
    # initdb (uid 999) fails.
    command:
      - postgres
      - -c
      - fsync=off
      - -c
      - synchronous_commit=off
      - -c
      - full_page_writes=off
    restart: 'no'
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U postgres -d spliit_e2e']
      interval: 2s
      timeout: 5s
      retries: 30