Update Dockerfile

Dockerfile

@@ -1,10 +1,28 @@
-# Gunakan image Node.js versi 18 berbasis Alpine yang ringan
-FROM node:18-alpine
+# Stage 1: Build Stage
+FROM node:18-alpine AS build
+
+# Set environment variables for Node.js
+ENV NODE_ENV=production
 
-# Setel direktori kerja di dalam kontainer
+# Set working directory
 WORKDIR /app
 
-# Install alat-alat yang diperlukan sekaligus dependencies sistem
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install production dependencies
+RUN npm install --only=production
+
+# Copy the entire application
+COPY . .
+
+# Remove any development dependencies to keep the build clean
+RUN npm prune --production
+
+# Stage 2: Final Stage
+FROM node:18-alpine
+
+# Install required system packages
 RUN apk add --no-cache \
     git \
     python3 \
@@ -15,17 +33,17 @@ RUN apk add --no-cache \
     ttf-freefont \
     ffmpeg
 
-# Salin file package.json dan package-lock.json
-COPY package*.json ./
+# Clean up package cache to keep image size small
+RUN rm -rf /var/cache/apk/*
 
-# Instal dependensi dengan NPM menggunakan argumen --production untuk hanya instalasi dependensi produksi
-RUN npm install 
+# Set the working directory
+WORKDIR /app
 
-# Salin file dan direktori lain ke dalam kontainer
-COPY . .
+# Copy only the necessary files from the build stage
+COPY --from=build /app .
 
-# Menyediakan port yang akan digunakan aplikasi
+# Expose the port the app runs on
 EXPOSE 7860
 
-# Perintah untuk menjalankan aplikasi
+# Command to run the application
 CMD ["node", "index.js"]