Feat: add dockerfile to ens-app (#95)

* feat: add frontend gha to build and publish to docker repository

* feat: add DockerFile

Dockerfile

@@ -0,0 +1,32 @@
+FROM node:18
+
+# Install system dependencies (if necessary)
+RUN apt-get update && apt-get install -y \
+    libcairo2-dev \
+    libpango1.0-dev \
+    libjpeg-dev \
+    libgif-dev \
+    librsvg2-dev \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY . .
+
+# Install pnpm and dependencies
+RUN npm install -g pnpm
+RUN rm -rf node_modules
+RUN pnpm config set store-dir ~/.local/share/pnpm/store
+RUN pnpm install --frozen-lockfile
+
+WORKDIR /app/packages/ens-app-v3
+
+# Clear Next.js cache
+RUN rm -rf .next
+
+RUN pnpm run build
+
+EXPOSE 3000
+
+CMD ["pnpm", "start"]