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fix(api/Dockerfile): switch builder stage to node:20-alpine

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oven/bun:1 doesn't ship with npm or pnpm, so the previous
`RUN npm install -g pnpm@9.15.0` failed with `/bin/sh: 1: npm: not
found` on the first Mac Mini build. Bun's own install command
doesn't honor pnpm-workspace.yaml, so we can't use it as a drop-in.

Switch the builder stage to node:20-alpine which has npm built in,
install pnpm there, resolve the workspace graph, then COPY the
finished tree into the bun runtime stage. The runtime stage stays
on oven/bun:1 — bun handles pnpm's node_modules/.pnpm symlink farm
natively, so the workspace layout works the same as it does on a
developer machine.

Tested locally: `docker compose -f docker-compose.macmini.yml build
mana-api` now succeeds through the install stage. The runtime
stage is unchanged.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Till JS 2026-04-09 14:10:59 +02:00
parent 7750c46a12
commit 6cbb1f64d0
1 changed files with 14 additions and 7 deletions
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21
apps/api/Dockerfile
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@ -2,18 +2,25 @@
#
# apps/api — unified Hono/Bun API server
#
# Multi-stage build that runs from the monorepo root so the workspace
# packages (@mana/shared-hono, @mana/shared-storage, @mana/media-client,
# @mana/shared-logger) resolve via pnpm before being copied into a
# minimal runtime image.
# Multi-stage build:
# - builder: node:20-alpine with pnpm to resolve the workspace
# dependency graph (@mana/shared-hono + 3 more workspace packages).
# Bun's install command doesn't read pnpm-workspace.yaml, so we use
# pnpm here even though the runtime is Bun.
# - runtime: oven/bun:1 to actually run the server. Bun handles the
# pnpm symlink farm at node_modules/.pnpm/* natively, so the only
# thing the runtime stage needs is the workspace tree the builder
# produced and the entry script.
#
# Build context MUST be the monorepo root, not apps/api/. The compose
# service uses `context: .` for this reason.
FROM oven/bun:1 AS builder
FROM node:20-alpine AS builder
WORKDIR /app
RUN npm install -g pnpm@9.15.0
# Copy the workspace manifest first so the dependency graph is known
# before we add source. This caches the install layer for incremental
# rebuilds when only source changes.
@ -29,8 +36,8 @@ COPY packages/shared-storage ./packages/shared-storage
# @mana/media-client lives under services/mana-media (sub-package).
COPY services/mana-media/packages/client ./services/mana-media/packages/client
# Install pnpm and resolve the dependency graph for apps/api.
RUN npm install -g pnpm@9.15.0
# Resolve the dependency graph for apps/api only (--filter ...
# follows the workspace transitive deps automatically).
RUN pnpm install --filter @mana/api... --no-frozen-lockfile --ignore-scripts
# Copy the api source and tsconfig last so source-only changes don't