Update Dockerfile

Dockerfile

@@ -2,33 +2,35 @@ FROM node:18-alpine
 
 WORKDIR /app
 
-# Install system dependencies including git
-RUN apk add --no-cache \
-    git \
-    python3 \
-    py3-pip \
-    bash \
-    curl
+# Install system dependencies including build tools for canvas
+RUN apk add --no-cache git python3 py3-pip bash curl build-base g++ make
 
 # Clone Postiz repository
-RUN git clone https://github.com/gitroomhq/postiz-app.git .
+RUN git clone https://github.com/gitroomhq/postiz-app.git . && git checkout main
 
 # Install npm dependencies
-RUN npm install --legacy-peer-deps
+RUN npm install --legacy-peer-deps --no-audit && npm cache clean --force
 
-# Build the app
+# Build the application  
 RUN npm run build || true
 
-# Create config and upload directories
+# Create necessary directories
 RUN mkdir -p /config /uploads
 
 # Expose port
 EXPOSE 5000
 
-# Set environment variables
+# Set environment variables for Postiz
 ENV NODE_ENV=production
 ENV APP_PORT=5000
-ENV DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postiz
+ENV MAIN_URL=http://localhost:5000
+ENV FRONTEND_URL=http://localhost:5000
+ENV NEXT_PUBLIC_BACKEND_URL=http://localhost:5000/api
+ENV JWT_SECRET=your-secret-key-change-in-production
+ENV IS_GENERAL=true
+ENV STORAGE_PROVIDER=local
+ENV UPLOAD_DIRECTORY=/uploads
+ENV DATABASE_URL=postgresql://user:password@localhost:5432/postiz
 ENV REDIS_URL=redis://localhost:6379
 
 # Start the application