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