Add Gunicorn config for Render deployment

backend/render-build.sh

@@ -2,8 +2,22 @@
 set -euo pipefail
 
 python -m pip install --upgrade pip setuptools wheel
+
+# Check if podcast-only mode is enabled - skip heavy ML models if so
+ENABLED_FEATURES="${ALWRITY_ENABLED_FEATURES:-all}"
+IS_PODCAST_ONLY=false
+
+if [[ "$ENABLED_FEATURES" == "podcast" ]]; then
+    IS_PODCAST_ONLY=true
+    echo "🔊 Podcast-only mode detected - skipping spaCy/NLTK model download"
+fi
+
 python -m pip install --retries 10 --timeout 120 -r requirements.txt
 
-# Download required NLTK and spaCy models during build phase
-python -m spacy download en_core_web_sm
-python -m nltk.downloader punkt_tab stopwords averaged_perceptron_tagger
+# Download required NLTK and spaCy models during build phase (skip for podcast-only)
+if [[ "$IS_PODCAST_ONLY" == "false" ]]; then
+    python -m spacy download en_core_web_sm
+    python -m nltk.downloader punkt_tab stopwords averaged_perceptron_tagger
+else
+    echo "🔊 Skipping spaCy/NLTK download for podcast-only mode"
+fi