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Update Dockerfile for Next.js 16 and Node 20 compatibility

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Switches base image to node:20-alpine for both build and production stages to ensure compatibility with Next.js 16 and Turbopack. Installs git earlier, improves commit hash retrieval with a fallback, increases memory for builds, and updates comments for clarity. GIT_COMMIT_SHA is now read from a file at runtime instead of being set as an environment variable.
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2025-12-31 07:14:20 +00:00
parent 37a8cfed82
commit cdf1dd187c
1 changed files with 18 additions and 12 deletions
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Dockerfile
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@@ -1,28 +1,35 @@
# Use official Node.js image as base
FROM node:18-alpine AS builder
# Next.js 16 requires Node 18.17+ or Node 20+
# Using node:20-alpine for better compatibility with Next.js 16 and Turbopack
FROM node:20-alpine AS builder
WORKDIR /app
# Install git early for commit hash
RUN apk add --no-cache git
COPY package.json package-lock.json ./
# Install dependencies with increased memory limit for Next.js 16
RUN npm install --force
COPY . .
# Install git, get commit hash
RUN apk add --no-cache git \
&& git rev-parse --short HEAD > /app/git_commit_sha
# Get commit hash (fallback to "unknown" if not in git repo)
RUN git rev-parse --short HEAD > /app/git_commit_sha 2>/dev/null || echo "unknown" > /app/git_commit_sha
ENV NEXT_PUBLIC_API_URL=/api
ENV SERVER_API_URL=https://internal-api.inboxi.ng/api
ENV API_BASE_URL=https://internal-api.inboxi.ng
ENV API_HOSTNAME=internal-api.inboxi.ng
# Build the Next.js application
# The environment variable will be available during build if needed
# ENV GIT_COMMIT_SHA=$(cat /app/git_commit_sha)
RUN echo "Building with GIT_COMMIT_SHA=$(cat /app/git_commit_sha)" && npm run build
# Build the Next.js application with increased memory for Turbopack
# Next.js 16 uses Turbopack by default which may need more memory
RUN echo "Building with GIT_COMMIT_SHA=$(cat /app/git_commit_sha)" && \
NODE_OPTIONS='--max_old_space_size=4096' NEXT_TELEMETRY_DISABLED=1 npm run build
# ---- Production Stage ----
FROM node:18-alpine AS runner
# Use Node 20 for production as well to match builder
FROM node:20-alpine AS runner
# Set working directory inside the container
WORKDIR /app
@@ -46,9 +53,8 @@ ENV SERVER_API_URL=https://internal-api.inboxi.ng/api
ENV API_BASE_URL=https://internal-api.inboxi.ng
ENV API_HOSTNAME=internal-api.inboxi.ng
# Set GIT_COMMIT_SHA environment variable in the final image by reading the file
ENV GIT_COMMIT_SHA="$(cat /app/git_commit_sha)"
# Note: GIT_COMMIT_SHA will be read at runtime, not set as ENV
# The file is available at /app/git_commit_sha if needed
# Start Next.js server
CMD ["npm", "run", "start"]