Update Dockerfile

Dockerfile

@@ -1,33 +1,34 @@
-FROM node:18-bullseye
+FROM node:18-bullseye-slim
 
-# Install tools needed for stable networking
-USER root
-RUN apt-get update && apt-get install -y \
+# Install runtime tools for networking and graphics
+RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
     libfontconfig1 \
     libfreetype6 \
-    libpango1.0-0 \
     libcairo2 \
-    libjpeg-dev \
-    libpng-dev \
-    libgif-dev \
-    librsvg2-dev \
+    libjpeg62-turbo \
+    libpng16-16 \
+    libgif7 \
+    librsvg2-2 \
     fonts-dejavu-core \
     && rm -rf /var/lib/apt/lists/*
 
 USER node
 WORKDIR /home/node/app
 
-COPY --chown=node package.json ./
-RUN npm install
+# Only copy package.json first to leverage Docker cache for npm install
+COPY --chown=node package.json package-lock.json* ./
+RUN npm ci --omit=dev || npm install --omit=dev
 
+# Copy the rest (respects .dockerignore)
 COPY --chown=node . .
 
 EXPOSE 7860
 
 ENV PORT=7860
 ENV NODE_ENV=production
-# Force IPv4 at the deepest level
+# Force IPv4 at the deepest level for Discord connectivity on HF
 ENV NODE_OPTIONS="--dns-result-order=ipv4first"
 
 CMD ["node", "index.js"]
+