add dockerfile and github actions workflow for deploy

Dockerfile

@@ -0,0 +1,31 @@
+# Use the official Node.js LTS as a parent image
+FROM node:lts-alpine
+
+# Set the working directory in the Docker container
+WORKDIR /usr/src/app
+
+# Install pnpm
+RUN npm install -g pnpm
+
+# Copy package.json, pnpm-lock.yaml (or package-lock.json if you use it) to the Docker container
+COPY package.json pnpm-lock.yaml ./
+
+# Install dependencies
+RUN pnpm install --frozen-lockfile
+
+# Copy the rest of your application's code into the Docker container
+COPY . .
+
+# Generate Prisma client
+RUN npx prisma generate
+
+# Build your NestJS application
+RUN pnpm run build
+
+ENV PORT 3333
+
+# Expose the port the app runs on
+EXPOSE 3333
+
+# Command to run when starting the container
+CMD ["node", "dist/main"]