add docker compose

Dockerfile

@@ -0,0 +1,50 @@
+# syntax=docker/dockerfile:1
+ARG NODE_VERSION=22.6.0
+ARG PNPM_VERSION=9.12.0
+
+FROM node:${NODE_VERSION}-alpine AS builder
+# Install pnpm
+RUN --mount=type=cache,target=/root/.npm \
+    npm install -g pnpm@${PNPM_VERSION}
+
+WORKDIR /usr/src/app
+
+# Download dependencies
+RUN --mount=type=bind,source=package.json,target=package.json \
+    --mount=type=bind,source=pnpm-lock.yaml,target=pnpm-lock.yaml \
+    --mount=type=cache,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile
+
+# Copy source files
+COPY . .
+
+# Build the Next.js application
+RUN pnpm build
+
+# Production image
+FROM node:${NODE_VERSION}-alpine
+
+ENV NODE_ENV production
+
+# Install pnpm
+RUN --mount=type=cache,target=/root/.npm \
+    npm install -g pnpm@${PNPM_VERSION}
+
+WORKDIR /usr/src/app
+
+# Copy only necessary files from builder
+COPY --from=builder /usr/src/app/package.json .
+COPY --from=builder /usr/src/app/pnpm-lock.yaml .
+COPY --from=builder /usr/src/app/.next ./.next
+COPY --from=builder /usr/src/app/public ./public
+
+# Install production dependencies only
+RUN --mount=type=cache,target=/root/.local/share/pnpm/store \
+    pnpm install --prod --frozen-lockfile
+
+# Run as non-root user
+USER node
+
+EXPOSE 3001
+
+CMD pnpm start