chore: update dockerfile

Dockerfile

@@ -1,7 +1,5 @@
 # NodeCast TV Docker Image
 #
-# Uses system FFmpeg with hardware acceleration drivers installed.
-#
 # Hardware acceleration:
 #   - VAAPI (Intel/AMD): Mount /dev/dri and add video/render groups
 #   - NVIDIA NVENC: Requires nvidia-container-toolkit on host + --gpus flag
@@ -9,28 +7,28 @@
 #
 # Build: docker compose build
 # Run with VAAPI: docker run --device /dev/dri:/dev/dri --group-add video ...
-# Run with NVENC: docker run --gpus all ...
 
-FROM node:20-bookworm-slim
+FROM ubuntu:24.04
 
-# Install FFmpeg, build dependencies, and hardware acceleration drivers
+# Install Node.js, FFmpeg, and hardware acceleration drivers
 ENV DEBIAN_FRONTEND=noninteractive
-RUN echo "deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list.d/non-free.sources.list && \
+RUN apt-get update && apt-get install -y --no-install-recommends \
-    apt-get update && apt-get install -y --no-install-recommends \
+    curl \
-    # FFmpeg
+    ca-certificates \
+    gnupg \
+    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get update && apt-get install -y --no-install-recommends \
+    nodejs \
     ffmpeg \
-    # Build dependencies for better-sqlite3
     python3 \
     make \
     g++ \
-    # Hardware acceleration drivers
     mesa-va-drivers \
     intel-media-va-driver \
-    # Utilities
     vainfo \
     && rm -rf /var/lib/apt/lists/*
 
-# Verify FFmpeg installed and show version
+# Verify FFmpeg installed
 RUN ffmpeg -version && ffmpeg -encoders 2>/dev/null | grep -E "vaapi|nvenc|qsv|libx264" | head -10
 
 WORKDIR /app
@@ -38,7 +36,7 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
+# Install dependencies (better-sqlite3 will build from source using g++ installed above)
 RUN npm ci --only=production
 
 # Copy application files