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Add Dockerfile and docker build github action
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jasongwartz committed Mar 8, 2024
1 parent eab184b commit 9db1c8a
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1 change: 1 addition & 0 deletions .dockerignore
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node_modules
42 changes: 42 additions & 0 deletions .github/workflows/publish-docker.yaml
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on:
push:
branches: []
#branches: [main]

jobs:
build-push:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Docker metadata
id: meta
uses: docker/metadata-action@v5
with:
# list of Docker images to use as base name for tags
images: |
${{ secrets.DOCKERHUB_USERNAME }}/pkl-playground
# generate Docker tags based on the following events/attributes
tags: |
type=schedule
type=sha
- name: Set up QEMU
uses: docker/setup-qemu-action@v3

- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3

- name: Login to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}

- name: Build and push
uses: docker/build-push-action@v5
with:
push: false
# push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
55 changes: 55 additions & 0 deletions Dockerfile
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FROM node:18-alpine AS base

# Install dependencies only when needed
FROM base AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json ./
RUN npm ci

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

ENV NEXT_TELEMETRY_DISABLED 1

RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV production
# Uncomment the following line in case you want to disable telemetry during runtime.
ENV NEXT_TELEMETRY_DISABLED 1

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/public ./public

# Set the correct permission for prerender cache
RUN mkdir .next
RUN chown nextjs:nodejs .next

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT 3000
# set hostname to localhost
ENV HOSTNAME "0.0.0.0"

# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
CMD ["node", "server.js"]

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