initial commit

Dockerfile

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+################## First Stage - Creating base #########################
+
+# Created a variable to hold our node base image
+ARG NODE_IMAGE=node:18.14.2-alpine
+
+
+# Using the variable to create our base image
+FROM $NODE_IMAGE AS base
+# Running a command to install dumb-init to handle processes
+RUN apk --no-cache add dumb-init
+# Creating folders and changing ownerships
+RUN mkdir -p /home/node/app && chown node:node /home/node/app
+# Setting the working directory
+WORKDIR /home/node/app
+# Changing the current active user to "node"
+USER node
+# # Creating a new folder "tmp"
+# RUN mkdir tmp
+
+################## Second Stage - Installing dependencies ##########
+# In this stage, we will start installing dependencies
+FROM base AS dependencies
+# We copy all package.* files to the working directory
+COPY --chown=node:node ./package*.json ./
+# We run NPM CI to install the exact versions of dependencies
+RUN npm ci
+# Lastly, we copy all the files with active user
+COPY --chown=node:node . .
+
+
+################## Third Stage - Building Stage #####################
+# In this stage, we will start building dependencies
+FROM dependencies AS build
+# We run "node ace build" to build the app for production
+RUN node ace build --production
+
+
+################## Final Stage - Production #########################
+# In this final stage, we will start running the application
+FROM base AS production
+# Here, we include all the required environment variables
+# ENV NODE_ENV=production
+# ENV PORT=$PORT
+# ENV HOST=0.0.0.0
+
+# Copy package.* to the working directory with active user
+COPY --chown=node:node ./package*.json ./
+# We run NPM CI to install the exact versions of dependencies
+RUN npm ci --omit=dev
+# Copy files to the working directory from the build folder the user
+COPY --chown=node:node --from=build /home/node/app/build .
+# Expose port
+EXPOSE $PORT
+# Run the command to start the server using "dumb-init"
+CMD [ "dumb-init", "node", "server.js" ]