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EU hosting → France

FastAPI Hosting in France

French FastAPI teams building ML APIs for European customers want EU residency, no Cloud Act exposure, and persistent storage for models. Hostim runs FastAPI in Falkenstein in long-lived containers, with typical RTT around 18 ms to Paris.

Try FastAPI on HostimAll FastAPI docs
# docker-compose.yml
services:
  api:
    image: my-fastapi-app
    command: uvicorn main:app --host 0.0.0.0 --port 8000
  db:
    image: postgres:16
  • 🇪🇺 Hosted in Germany, GDPR by default
  • 🐳 Run Docker apps (Compose supported)
  • 🗄️ Built-in MySQL, Postgres, Redis & volumes
  • 🔐 HTTPS, metrics, and isolation per project
  • 💳 Per-project cost tracking · from €2.5/month

Why FastAPI on EU bare metal for France

A French ML team running inference behind a FastAPI endpoint on AWS or GCP is doing two questionable things in one: Schrems II transfers and per-request billing for a workload that needs constant warm capacity. Hostim runs your FastAPI Docker image as a long-lived process — model weights stay in memory, persistent volume keeps them across deploys, no cold starts. CNIL has no transfer question because there is no transfer. Async PostgreSQL works through asyncpg + DATABASE_URL injected at runtime.

Latency, residency and French regulators

Latency. Typical RTT from Paris to our Falkenstein region is around 18 ms. CNIL enforces GDPR more aggressively than most EU regulators. French SaaS buyers often ask for a SCC-free architecture — meaning no transfer of personal data to the US. Hostim is fully in the EU and keeps you out of that question.

Regulator. CNIL (Commission nationale de l'informatique et des libertés).

Local law. Loi Informatique et Libertés, the French national data protection act. Hostim is operated by HOSTIM.DEV UG, a German company, with all data in Falkenstein, Germany — there is no transfer outside the EU for application data.

Local alternatives you may have considered: Scaleway, Clever Cloud, OVHcloud, Platform.sh.

How Hostim runs FastAPI

FastAPI hosting means running a Uvicorn or Gunicorn-Uvicorn worker process and exposing it over HTTPS. The framework is async by default, so the host has to support long-lived connections — websockets, server-sent events, streaming responses.

Deploy model

Hostim runs your FastAPI Docker image as a normal container. Long-lived connections work. Managed PostgreSQL is attached at runtime. If you serve an ML model, mount a persistent volume for the weights so they do not redownload on every deploy.

Common pitfalls

Cold starts from serverless platforms are not a fit for ML inference workloads. Hostim runs a permanent container, so model weights stay in memory across requests.

Typical env vars

DATABASE_URL, OPENAI_API_KEY, MODEL_PATH, LOG_LEVEL

FAQ

Comment éviter le rechargement du modèle au déploiement ?

Stocke les poids du modèle sur un volume persistant monté à /models. Charge-les une fois au démarrage du conteneur ; ils survivent à tous les redéploiements.

Is this Schrems II safe?

Yes. Hostim is operated by an EU company, all data is in Falkenstein. There is no transfer to a third country, so no SCCs or TIA required.

Que se passe-t-il avec les réponses streaming pour LLM tokens ?

FastAPI sur Hostim supporte les réponses streaming et server-sent events. Le conteneur reste actif pendant toute la durée de la requête.

Y a-t-il du support GPU ?

Pas encore. Inférence CPU avec assez de RAM fonctionne pour beaucoup de modèles légers. Le support GPU est sur la roadmap.

Related pages

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