diff --git a/docker-compose.yml b/docker-compose.yml
index 260830d..55b801a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -66,6 +66,12 @@ services:
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
       - PEXELS_API_KEY=${PEXELS_API_KEY:-}
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
+      - OPENAI_API_KEY=${OPENAI_API_KEY:-}
+      - YOUTUBE_OAUTH_CLIENT_ID=${YOUTUBE_OAUTH_CLIENT_ID:-}
+      - YOUTUBE_OAUTH_CLIENT_SECRET=${YOUTUBE_OAUTH_CLIENT_SECRET:-}
+      - YOUTUBE_OAUTH_REDIRECT_URI=${YOUTUBE_OAUTH_REDIRECT_URI:-}
+      - CLAUDE_HAIKU_MODEL=${CLAUDE_HAIKU_MODEL:-claude-haiku-4-5-20251001}
+      - CLAUDE_SONNET_MODEL=${CLAUDE_SONNET_MODEL:-claude-sonnet-4-6}
       - VIDEO_DATA_DIR=${VIDEO_DATA_DIR:-/app/data/videos}
     volumes:
       - ${RUNTIME_PATH}/data/music:/app/data
@@ -137,6 +143,8 @@ services:
       - TELEGRAM_WEBHOOK_URL=${TELEGRAM_WEBHOOK_URL:-}
       - TELEGRAM_WIFE_CHAT_ID=${TELEGRAM_WIFE_CHAT_ID:-}
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
+      - CLAUDE_HAIKU_MODEL=${CLAUDE_HAIKU_MODEL:-claude-haiku-4-5-20251001}
+      - CLAUDE_SONNET_MODEL=${CLAUDE_SONNET_MODEL:-claude-sonnet-4-6}
       - LOTTO_BACKEND_URL=${LOTTO_BACKEND_URL:-http://lotto:8000}
       - LOTTO_CURATOR_MODEL=${LOTTO_CURATOR_MODEL:-claude-sonnet-4-5}
       - CONVERSATION_MODEL=${CONVERSATION_MODEL:-claude-haiku-4-5-20251001}
diff --git a/music-lab/Dockerfile b/music-lab/Dockerfile
index 148df51..de71eaa 100644
--- a/music-lab/Dockerfile
+++ b/music-lab/Dockerfile
@@ -1,7 +1,13 @@
 FROM python:3.12-alpine
 ENV PYTHONUNBUFFERED=1
 
-RUN apk add --no-cache ffmpeg
+# ffmpeg for audio/video processing, ttf-dejavu + fontconfig for PIL overlays.
+# Alpine installs DejaVu fonts to /usr/share/fonts/dejavu/, but app code
+# references the Debian-style path; symlink for compatibility.
+RUN apk add --no-cache ffmpeg ttf-dejavu fontconfig \
+    && mkdir -p /usr/share/fonts/truetype \
+    && ln -sf /usr/share/fonts/dejavu /usr/share/fonts/truetype/dejavu \
+    && fc-cache -f
 
 WORKDIR /app
 COPY requirements.txt .