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Add git commit hash versioning to Docker image and HTTP responses
Tag Docker images with the short SHA and expose it via X-Version response
header so the deployed version is verifiable with a single curl.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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-3
+3
Dockerfile
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Dockerfile
···
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RUN apk add --no-cache tini
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WORKDIR /app
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ARG GIT_SHA=""
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ENV GIT_SHA=${GIT_SHA}
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+
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# The build directory is self-contained (JS + package.json + lockfile).
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# Copy it as the application root and install only production dependencies.
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COPY --from=build --chown=node:node /app/build ./
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app/middleware/version_header_middleware.ts
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app/middleware/version_header_middleware.ts
···
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import { type HttpContext } from '@adonisjs/core/http'
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import { type NextFn } from '@adonisjs/core/types/http'
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import env from '#start/env'
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export default class VersionHeaderMiddleware {
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handle({ response }: HttpContext, next: NextFn) {
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const sha = env.get('GIT_SHA')
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if (sha) {
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response.header('X-Version', sha)
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}
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return next()
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}
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}
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-2
deploy.sh
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-2
deploy.sh
···
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echo "Pulling latest code..."
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git pull origin main
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echo "Building image..."
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docker build -t favs-blue:latest .
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GIT_SHA=$(git rev-parse --short HEAD)
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echo "Building image (${GIT_SHA})..."
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docker build --build-arg GIT_SHA="${GIT_SHA}" -t favs-blue:latest -t "favs-blue:${GIT_SHA}" .
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echo "Deploying stack..."
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while IFS= read -r line || [[ -n "$line" ]]; do
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-1
resources/views/components/layout.edge
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-1
resources/views/components/layout.edge
···
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<meta name="csrf-token" content="{{ csrfToken }}">
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@if(posthogApiKey)
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<meta name="posthog-api-key" content="{{ posthogApiKey }}">
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@if(auth.isAuthenticated)
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@if(auth && auth.isAuthenticated)
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<meta name="posthog-distinct-id" content="{{ auth.user.did }}">
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<meta name="posthog-handle" content="{{ auth.user.handle }}">
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@endif
+3
start/env.ts
+3
start/env.ts
···
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POSTHOG_API_KEY: Env.schema.string.optional(),
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POSTHOG_HOST: Env.schema.string.optional(),
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// Version
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GIT_SHA: Env.schema.string.optional(),
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// OpenTelemetry
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OTEL_EXPORTER_OTLP_ENDPOINT: Env.schema.string.optional(),
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OTEL_EXPORTER_OTLP_HEADERS: Env.schema.string.optional(),
+1
start/kernel.ts
+1
start/kernel.ts
···
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server.use([
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() => import('#middleware/container_bindings_middleware'),
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() => import('#middleware/theme_middleware'),
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() => import('#middleware/version_header_middleware'),
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() => import('@adonisjs/static/static_middleware'),
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() => import('@adonisjs/vite/vite_middleware'),
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])