Update Dockerfile

Dockerfile

@@ -1,11 +1,13 @@
 FROM ubuntu:20.04
 
-RUN apt update && \
-    DEBIAN_FRONTEND=noninteractive apt -y install \
-            software-properties-common git npm curl && \
-    npm install -g yarn waffle && \
-    rm -rf /var/lib/apt/lists/*
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y curl software-properties-common git npm
+RUN curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
+RUN apt-get install -y nodejs
+RUN npm install -g yarn waffle
+RUN rm -rf /var/lib/apt/lists/*
 
 COPY . /opt
 WORKDIR /opt
+
 RUN yarn && yarn compile