graphql sandbox & server

Dockerfile

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+# syntax=docker/dockerfile:1
+
+# Comments are provided throughout this file to help you get started.
+# If you need more help, visit the Dockerfile reference guide at
+# https://docs.docker.com/engine/reference/builder/
+
+ARG NODE_VERSION=16.17.0
+
+FROM node:${NODE_VERSION}-alpine
+
+# Use production node environment by default.
+ENV NODE_ENV production
+
+
+WORKDIR /usr/src/app
+
+# Download dependencies as a separate step to take advantage of Docker's caching.
+# Leverage a cache mount to /root/.npm to speed up subsequent builds.
+COPY package-lock.json package.json ./
+RUN --mount=type=cache,target=/root/.npm \
+    npm ci --omit=dev
+
+# Run the application as a non-root user.
+USER node
+
+COPY server.js .
+
+# Expose the port that the application listens on.
+EXPOSE 4000
+
+# Run the application.
+CMD node server.js