Create Dockerfile

Dockerfile

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+FROM ubuntu:20.04
+
+RUN apt-get update && \
+    apt-get install -y curl && \
+    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+    apt-get install -y nodejs && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+
+CMD ["npm", "start"]