fix: add .dockerignore and optimize build flags for VPS memory constraints

.dockerignore

@@ -0,0 +1,13 @@
+node_modules
+dist
+.git
+.vscode
+*.log
+.env
+.env.local
+.vercel
+ios
+android
+out
+build
+tmp

Dockerfile

@@ -10,7 +10,7 @@ RUN apk update && apk upgrade --no-cache
 
 WORKDIR /app
 COPY package*.json ./
-RUN npm install --legacy-peer-deps
+RUN npm install --legacy-peer-deps --no-audit --no-fund
 COPY . .
 RUN npm run build