55 lines
1.3 KiB
Markdown
55 lines
1.3 KiB
Markdown
---
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title: "Traefik ContentType Documentation"
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description: "Traefik Proxy's HTTP middleware automatically sets the `Content-Type` header value when it is not set by the backend. Read the technical documentation."
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---
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# ContentType
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Handling Content-Type auto-detection
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{: .subtitle }
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The Content-Type middleware sets the `Content-Type` header value to the media type detected from the response content,
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when it is not set by the backend.
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!!! info
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The scope of the Content-Type middleware is the MIME type detection done by the core of Traefik (the server part).
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Therefore, it has no effect against any other `Content-Type` header modifications (e.g.: in another middleware such as compress).
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## Configuration Examples
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```yaml tab="Docker"
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# Enable auto-detection
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labels:
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- "traefik.http.middlewares.autodetect.contenttype=true"
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```
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```yaml tab="Kubernetes"
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# Enable auto-detection
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apiVersion: traefik.io/v1alpha1
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kind: Middleware
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metadata:
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name: autodetect
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spec:
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contentType: {}
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```
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```yaml tab="Consul Catalog"
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# Enable auto-detection
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- "traefik.http.middlewares.autodetect.contenttype=true"
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```
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```yaml tab="File (YAML)"
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# Enable auto-detection
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http:
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middlewares:
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autodetect:
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contentType: {}
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```
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```toml tab="File (TOML)"
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# Enable auto-detection
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[http.middlewares]
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[http.middlewares.autodetect.contentType]
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```
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