ci: publish multi-arch images

scripts/publish-images.test.ts

@@ -0,0 +1,25 @@
+import { readFileSync } from 'node:fs'
+import { join } from 'node:path'
+
+import { describe, expect, it } from 'bun:test'
+
+const repoRoot = join(import.meta.dir, '..')
+
+describe('publish image configuration', () => {
+  it('publishes a multi-platform image for amd64 and arm64', () => {
+    const workflow = readFileSync(
+      join(repoRoot, '.github', 'workflows', 'publish-images.yml'),
+      'utf8',
+    )
+
+    expect(workflow).toContain('platforms: linux/amd64,linux/arm64')
+  })
+
+  it('builds the API binary for the target image architecture', () => {
+    const dockerfile = readFileSync(join(repoRoot, 'Dockerfile'), 'utf8')
+
+    expect(dockerfile).toContain('ARG TARGETOS')
+    expect(dockerfile).toContain('ARG TARGETARCH')
+    expect(dockerfile).toContain('GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH:-amd64} go build')
+  })
+})