# Multi-stage build for Next.js application
FROM node:20-alpine AS base

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

# Copy package files
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 . .

# 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 npm run build

# Download Bitwarden Secrets Manager CLI
FROM base AS bws
ARG BWS_VERSION=2.1.0
ARG BWS_ARCH=x86_64-unknown-linux-musl
RUN apk add --no-cache curl unzip
RUN curl -fsSL "https://github.com/bitwarden/sdk-sm/releases/download/bws-v${BWS_VERSION}/bws-${BWS_ARCH}-${BWS_VERSION}.zip" -o /tmp/bws.zip && \
    mkdir -p /tmp/bws-extract && \
    unzip -q /tmp/bws.zip -d /tmp/bws-extract && \
    find /tmp/bws-extract -type f -name bws -exec chmod +x {} \; -exec cp {} /usr/local/bin/bws \; && \
    /usr/local/bin/bws --version

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

ENV NODE_ENV production
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

# Copy Bitwarden Secrets Manager CLI and entrypoint
COPY --from=bws /usr/local/bin/bws /usr/local/bin/bws
COPY docker-entrypoint.sh /app/docker-entrypoint.sh
RUN chmod +x /app/docker-entrypoint.sh

# bws config/state directory (writable by nextjs)
# server_base is required as of bws 2.x — the profile errors with
# "Profile has no `server_base` or `server_identity`" without it, even
# for the default Bitwarden cloud instance.
RUN mkdir -p /app/.config/bws && chown -R nextjs:nodejs /app/.config/bws && \
    printf '[profiles.default]\nserver_base = "https://vault.bitwarden.com"\nstate_dir = "/app/.config/bws/state"\n' > /app/.config/bws/config && \
    chown nextjs:nodejs /app/.config/bws/config
ENV BWS_CONFIG_FILE=/app/.config/bws/config

USER nextjs

# Use custom port 3100 instead of 3000
EXPOSE 3100

ENV PORT 3100
ENV HOSTNAME "0.0.0.0"

CMD ["/app/docker-entrypoint.sh"]