revert main workflow adjust Dockerfiel and integrate build proccess

.gitea/workflows/main.yaml

@@ -17,46 +17,7 @@ jobs:
         registry: ${{vars.LOCAL_REGISTRY}}
         username: ${{ VARS.USER }}
         password: ${{ secrets.TOKEN }}
-
-    - name: Generate Static Image Assets
-      run: |
-        echo "--- Runner workspace is at: ${{ gitea.workspace }} ---"
-        echo "--- Listing files on runner before mounting: ---"
-        ls -laR ${{ gitea.workspace }}
-        
-        docker run --rm \
-          -v "${{ gitea.workspace }}:/work" \
-          -w "/work" \
-          archlinux:latest \
-          bash -c '
-            set -e
-            echo "--- Verifying files mounted inside container: ---"
-            ls -laR
-            
-            echo "--- Installing dependencies ---"
-            pacman -Syu --noconfirm imagemagick libwebp ghostscript
-            
-            echo "--- Generating assets ---"
-            chmod +x ./scripts/*.sh
-            bash ./scripts/first_page_image.sh
-            bash ./scripts/generate_webp.sh
-            
-            echo "--- Asset generation complete. Verifying output files: ---"
-            ls -laR ./public/assets
-          '
-
-    - name: Set up Node.js
-      uses: actions/setup-node@v4
-      with:
-        node-version: '20.x'
-        cache: 'npm'
-        
-    - name: Install Node.js Dependencies
-      run: npm ci
-
-    - name: Build Next.js App
-      run: npm run build
-
+    
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 

Dockerfile

@@ -1,18 +1,29 @@
 # Stage 1: Builder
 FROM node:20-alpine AS builder
 
+# Install system dependencies for image manipulation (ImageMagick v7+)
+RUN apk add --no-cache imagemagick webp ghostscript
+
 # Enable pnpm
 RUN corepack enable
 
 WORKDIR /app
 
 # Copy dependency files and install dependencies
+# This is cached separately from the source code
 COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 
 # Copy the rest of the application source code
 COPY . .
 
+# --- Asset Generation Step ---
+# Run scripts to generate static images BEFORE the Next.js build
+# The build needs these assets to be present.
+RUN chmod +x ./scripts/*.sh && \
+    ./scripts/first_page_image.sh && \
+    ./scripts/generate_webp.sh
+
 # Run the build command
 RUN pnpm run build
 
@@ -28,6 +39,7 @@ RUN adduser --system --uid 1001 nextjs
 USER nextjs
 
 # Copy the standalone output from the builder stage
+# The './public' directory now contains the newly generated assets
 COPY --from=builder /app/public ./public
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static