Attempt to fix build issues in Docker

Dockerfile

@@ -4,12 +4,12 @@ FROM node:18-alpine
 # Set working directory
 WORKDIR /app
 
-# Copy package files, config script
-COPY package.json package-lock.json esbuild.config.js ./
-# Copy application source before build so esbuild can locate entry files
+# Copy package files and install dependencies
+COPY package.json package-lock.json ./
+RUN npm ci --only=production
+
+# Copy application source
 COPY . .
-# Install all dependencies, create dist folder, build with esbuild, then remove devDeps
-RUN npm ci && mkdir -p dist && npm run build && npm prune --production
 
 # Expose the application port
 EXPOSE 3000