init

.gitignore

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+.env
+.env.*
+!.env.example
+
+# editors
+.vscode/
+.idea/
+*.swp
+*.swo
+.DS_Store

README.md

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+# coolcouch
+
+CouchDB 3 on Coolify, with CORS enabled and system databases bootstrapped at first start.
+
+## Deploy
+
+1. In Coolify: **New Resource → Docker Compose** and point it at this repository.
+2. In the resource's **Environment Variables** tab, set:
+   - `COUCHDB_PASSWORD` — required
+   - `COUCHDB_USER` — optional, defaults to `admin`
+3. In the resource's **Domains** tab, assign a domain to the `couchdb` service on port `5984`. Coolify fills `SERVICE_FQDN_COUCHDB_5984` from this.
+4. **Deploy.** The `couchdb-init` one-shot service will wait for CouchDB to be healthy, then `PUT` `_users`, `_replicator`, `_global_changes` and exit.
+
+## Verify
+
+Replace `$DOMAIN` and `$PASS`:
+
+```bash
+curl -fsS https://$DOMAIN/_up
+curl -fsS -u admin:$PASS https://$DOMAIN/
+curl -fsS -u admin:$PASS https://$DOMAIN/_all_dbs
+curl -fsS -I -X OPTIONS https://$DOMAIN/ \
+  -H "Origin: https://example.com" \
+  -H "Access-Control-Request-Method: GET"
+```
+
+Expected: `_up` returns `{"status":"ok",...}`; `/` returns the CouchDB welcome JSON; `_all_dbs` returns `["_global_changes","_replicator","_users"]`; the preflight returns a 2xx with an `Access-Control-Allow-Origin` header.
+
+## CORS
+
+Wildcard origin (`*`), `credentials = false` — the only browser-spec-legal combination with a wildcard. If a client needs cookie/credentialed auth, switch `origins` in `couchdb/local.d/cors.ini` to an explicit list and set `credentials = true`.
+
+## Files
+
+- `docker-compose.yml` — services, volume, Traefik labels, healthcheck, init sidecar
+- `couchdb/local.d/cors.ini` — mounted into `/opt/couchdb/etc/local.d/` so CouchDB picks it up at startup

couchdb/local.d/cors.ini

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+[chttpd]
+enable_cors = true
+
+[cors]
+origins = *
+credentials = false
+methods = GET, PUT, POST, HEAD, DELETE
+headers = accept, authorization, content-type, origin, referer, x-csrf-token

docker-compose.yml

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+services:
+  couchdb:
+    image: couchdb:3
+    restart: unless-stopped
+    environment:
+      SERVICE_FQDN_COUCHDB_5984:
+      COUCHDB_USER: ${COUCHDB_USER:-admin}
+      COUCHDB_PASSWORD: ${COUCHDB_PASSWORD}
+    expose:
+      - "5984"
+    volumes:
+      - couchdb_data:/opt/couchdb/data
+      - ./couchdb/local.d/cors.ini:/opt/couchdb/etc/local.d/cors.ini:ro
+    healthcheck:
+      test: ["CMD", "curl", "-fsS", "http://localhost:5984/_up"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 30s
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.couchdb.rule=Host(`${SERVICE_FQDN_COUCHDB_5984}`)"
+      - "traefik.http.routers.couchdb.entrypoints=https"
+      - "traefik.http.routers.couchdb.tls=true"
+      - "traefik.http.services.couchdb.loadbalancer.server.port=5984"
+
+  couchdb-init:
+    image: curlimages/curl:latest
+    restart: "no"
+    depends_on:
+      couchdb:
+        condition: service_healthy
+    environment:
+      COUCHDB_USER: ${COUCHDB_USER:-admin}
+      COUCHDB_PASSWORD: ${COUCHDB_PASSWORD}
+    entrypoint: ["sh", "-c"]
+    command:
+      - |
+        set -eu
+        base="http://$${COUCHDB_USER}:$${COUCHDB_PASSWORD}@couchdb:5984"
+        for db in _users _replicator _global_changes; do
+          code=$$(curl -s -o /dev/null -w "%{http_code}" -X PUT "$$base/$$db")
+          case "$$code" in
+            201|202|412) echo "$$db: ok ($$code)" ;;
+            *)           echo "$$db: failed ($$code)"; exit 1 ;;
+          esac
+        done
+
+volumes:
+  couchdb_data: