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.env.example

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+# ---- API ----
+PORT=8787
+# When DATABASE_URL is set the API runs in async (queue) mode; otherwise it runs
+# clones inline in-memory (handy for a quick local single-page demo).
+# CLONE_TTL_MS=1800000        # in-memory mode: how long results are retained
+
+# ---- Database + queue (Postgres; pg-boss uses the same DB) ----
+DATABASE_URL=postgresql://postgres:postgres@localhost:5432/ditto_site
+
+# ---- Worker ----
+ARTIFACTS_DIR=./local-data/artifacts
+# Cache time-to-stale: how long a cached clone is served before re-capture.
+# Duration units: ms/s/m/h/d. "0" disables caching.
+CACHE_STALE_AFTER=24h
+# VERIFY_TIER=stage2          # perceptual-gate tier when options.verify is set
+# HARNESS_DIR=                # per-worker Next build harness for verify (M5)
+
+# ---- Blob storage (S3 / R2 / MinIO) — used from M4 ----
+# S3_ENDPOINT=http://localhost:9000     # MinIO locally; omit for AWS S3
+# S3_REGION=auto
+# S3_BUCKET=ditto-site-artifacts
+# S3_ACCESS_KEY_ID=minioadmin
+# S3_SECRET_ACCESS_KEY=minioadmin
+# S3_FORCE_PATH_STYLE=true              # required for MinIO
+# S3_PUBLIC_URL=                        # optional CDN/base url for objects