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Switch Docker base image from Alpine to Debian slim #4307

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Merged
abkfenris merged 1 commit into from
Aug 5, 2026
Merged

Switch Docker base image from Alpine to Debian slim #4307

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8 changes: 3 additions & 5 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,12 +1,10 @@
#syntax=docker/dockerfile:1.2
FROM node:26.5.0-alpine@sha256:e88a35be04478413b7c71c455cd9865de9b9360e1f43456be5951032d7ac1a66 AS base
FROM node:26.5.0-slim@sha256:715e55e4b84e4bb0ff48e49b398a848f08e55daed8eb6a0ea1839ae53bc57583 AS base

# Install dependencies only when needed
FROM base AS deps
ARG NEXT_PUBLIC_SENTRY_DSN

# 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

COPY package.json package-lock.json ./
Expand Down Expand Up @@ -46,8 +44,8 @@ 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
RUN groupadd --system --gid 1001 nodejs
RUN useradd --system --uid 1001 --gid nodejs nextjs

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

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