church-website/Dockerfile
Benno Tielen 509c117850
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fix: run server in Europe/Berlin so recurring masses survive DST
Recurring masses and events are stitched together from server-local
wall-clock time. The container ran in UTC, so everything after the
switch to winter time on 25 Oct was shown one hour early.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-26 13:24:05 +01:00

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2.2 KiB
Docker

FROM node:22-bookworm-slim AS base
RUN corepack enable;
# Install dependencies only when needed
FROM base AS deps
WORKDIR /app
# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* .yarnrc.yml package-lock.json* pnpm-lock.yaml* ./
RUN \
if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
elif [ -f package-lock.json ]; then npm ci; \
elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
else echo "Lockfile not found." && exit 1; \
fi
# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ARG NEXT_PUBLIC_SERVER_URL
ARG NEXT_PUBLIC_SITE_ID
ENV NEXT_PUBLIC_SERVER_URL=$NEXT_PUBLIC_SERVER_URL
ENV NEXT_PUBLIC_SITE_ID=$NEXT_PUBLIC_SITE_ID
# Cap the Node heap during `next build` so builds fit on small servers
ARG NODE_OPTIONS=--max-old-space-size=4096
ENV NODE_OPTIONS=$NODE_OPTIONS
# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED 1
RUN \
if [ -f yarn.lock ]; then yarn run build; \
elif [ -f package-lock.json ]; then npm run build; \
elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
else echo "Lockfile not found." && exit 1; \
fi
# 3. Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
# Recurring masses/events are built from server-local wall-clock time, so the
# server must run in the parishes' timezone or times shift by 1h across DST.
ENV TZ=Europe/Berlin
# Use groupadd and useradd (standard Linux tools) instead of Alpine's syntax
RUN groupadd --gid 1001 nodejs
RUN useradd --uid 1001 --gid nodejs --shell /bin/bash --create-home nextjs
# 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
CMD HOSTNAME="0.0.0.0" node server.js