HabitTrove/Dockerfile

# syntax=docker.io/docker/dockerfile:1

# Use build platform for base images to avoid emulation
FROM --platform=$BUILDPLATFORM node:22-alpine AS base

# Install dependencies only when needed
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Use cache mounts for npm cache
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
RUN --mount=type=cache,target=/root/.npm \
  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
  elif [ -f package-lock.json ]; then npm ci --force; \
  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 . .

ENV NEXT_TELEMETRY_DISABLED=1

# Use cache mount for Next.js cache
RUN --mount=type=cache,target=/app/.next/cache \
  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

# Production image - use target platform
FROM node:22-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs && \
    mkdir -p /app/data /app/backups && \
    chown nextjs:nodejs /app/data /app/backups

COPY --from=builder /app/public ./public
COPY --from=builder /app/CHANGELOG.md ./
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
ENV HOSTNAME="0.0.0.0"

VOLUME ["/app/data", "/app/backups"]

CMD ["node", "server.js"]