add first draft working docker setup

docker/entrypoint.sh

@@ -1,6 +1,29 @@
 #!/bin/sh
 set -e
 
+PB_DATA=${PB_DATA_DIR:-/app/pb_data}
+
+# Seed a platform superuser from env (idempotent — no-op if it already exists).
+# If PB_EMAIL/PB_PASSWORD aren't set, skip and rely on manual web setup.
+if [ -n "$PB_EMAIL" ] && [ -n "$PB_PASSWORD" ]; then
+  echo "[entrypoint] Ensuring PocketBase superuser..."
+  pocketbase superuser upsert "$PB_EMAIL" "$PB_PASSWORD" --dir="$PB_DATA" || true
+fi
+
+# Start PocketBase (internal only; published via loopback for admin UI).
+pocketbase serve --http=0.0.0.0:8090 --dir="$PB_DATA" &
+
+# Wait for PB to be healthy before starting the proxy (which runs migrate).
+echo "[entrypoint] Waiting for PocketBase..."
+for i in $(seq 1 30); do
+  if curl -sf http://127.0.0.1:8090/api/health >/dev/null 2>&1; then
+    echo "[entrypoint] PocketBase is healthy."
+    break
+  fi
+  sleep 1
+done
+
+# Start the app (frontend + proxy). The proxy auto-runs schema migration.
 PORT=${FRONTEND_PORT:-2080} node /app/frontend/build/index.js &
 PROXY_PORT=${PROXY_PORT:-3456} node /app/proxy/dist/index.js &