FROM alpine:3.11 RUN apk add --update npm python ffmpeg # Change directory so that our commands run inside this new directory WORKDIR /app # Copy dependency definitions COPY ./ /app/ # Change directory to backend WORKDIR /app # Install dependencies on backend RUN npm install # Expose the port the app runs in EXPOSE 17442 # Run the specified command within the container. CMD [ "node", "app.js" ]