diff --git a/backend/application/Cargo.toml b/backend/application/Cargo.toml
index 833fc9e..cb2963e 100644
--- a/backend/application/Cargo.toml
+++ b/backend/application/Cargo.toml
@@ -14,6 +14,9 @@ path = "tests/user_service_test.rs"
 [dependencies]
 lumiere-domain = { path = "../domain" }
 
+axum = "0.8.9"
+tokio = "1.52.3"
+mime = "0.3.17"
 bcrypt = "0.19.0"
 chrono = { version = "0.4.44", features = ["serde"] }
 log = "0.4.29"
diff --git a/backend/application/src/video/api.rs b/backend/application/src/video/api.rs
index 2d41d87..175c9d7 100644
--- a/backend/application/src/video/api.rs
+++ b/backend/application/src/video/api.rs
@@ -67,12 +67,50 @@ fn sanitize_and_resolve_path(video_path: &str) -> Result<std::path::PathBuf, Sta
     Ok(full_path)
 }
 
-/// Determine Content-Type based on file extension
+/// Determine Content-Type by reading file headers (magic numbers)
 fn get_content_type(path: &Path) -> &'static str {
+    use std::io::Read;
+    
+    // Read first few bytes to detect magic numbers
+    let mut file = match File::open(path) {
+        Ok(f) => f,
+        Err(_) => return "application/octet-stream",
+    };
+    
+    let mut buffer = [0u8; 16]; // Read enough bytes to detect common formats
+    let bytes_read = match file.read(&mut buffer) {
+        Ok(n) if n > 0 => n,
+        _ => return "application/octet-stream",
+    };
+    
+    // Detect AVI format (RIFF header with AVI)
+    if bytes_read >= 12 && buffer[0..4] == [82, 73, 70, 70] && buffer[8..12] == [65, 86, 73, 32] {
+        return "video/x-msvideo";
+    }
+    
+    // Detect MKV format (EB ML header)
+    if bytes_read >= 4 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        return "video/x-matroska"; // Proper MIME type for MKV
+    }
+    
+    // Detect MP4/MOV format (ftyp box)
+    if bytes_read >= 8 && buffer[4..8] == [102, 116, 121, 112] {
+        return "video/mp4";
+    }
+    
+    // Detect WebM format (EB ML header like MKV but with different signature)
+    if bytes_read >= 8 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        // Check for WebM signature at offset 4
+        if bytes_read >= 12 && buffer[4..8] == [119, 101, 98, 109] {
+            return "video/webm";
+        }
+    }
+    
+    // Fallback to extension-based detection for unknown formats
     match path.extension().and_then(|ext| ext.to_str()) {
-        Some("avi") => "video/x-msvideo",
-        Some("mkv") | Some("mp4") | Some("mov") | Some("webm") => "video/mp4", // Generic video type
-        _ => "application/octet-stream", // Fallback for unknown types
+        Some("mp4") | Some("mov") => "video/mp4",
+        Some("webm") => "video/webm",
+        _ => "application/octet-stream",
     }
 }
 
diff --git a/backend/application/src/video/mod.rs b/backend/application/src/video/mod.rs
index cc097b5..6c73b40 100644
--- a/backend/application/src/video/mod.rs
+++ b/backend/application/src/video/mod.rs
@@ -1 +1,2 @@
-pub mod service;
\ No newline at end of file
+pub mod service;
+//pub mod api;
\ No newline at end of file
diff --git a/backend/domain/src/video/model.rs b/backend/domain/src/video/model.rs
index 3fa774b..e1e6fdc 100644
--- a/backend/domain/src/video/model.rs
+++ b/backend/domain/src/video/model.rs
@@ -1,4 +1,12 @@
+pub enum VideoFormat {
+    AVI,
+    MKV,
+    MP4,
+    WEBM,
+    UNKNOWN
+}
+
 pub struct Video {
     filename: String,
-    
+    format: VideoFormat
 }
\ No newline at end of file
diff --git a/backend/exposition/src/lib.rs b/backend/exposition/src/lib.rs
index a6c2960..148ec54 100644
--- a/backend/exposition/src/lib.rs
+++ b/backend/exposition/src/lib.rs
@@ -7,6 +7,7 @@ use actix_web::{get, web, HttpResponse, Responder};
 use actix_web_httpauth::middleware::HttpAuthentication;
 
 pub mod user;
+pub mod video;
 
 #[get("/health")]
 async fn health() -> impl Responder {
diff --git a/backend/exposition/src/video/mod.rs b/backend/exposition/src/video/mod.rs
new file mode 100644
index 0000000..089fda1
--- /dev/null
+++ b/backend/exposition/src/video/mod.rs
@@ -0,0 +1 @@
+pub mod video_format_content_type_mapper;
\ No newline at end of file
diff --git a/backend/exposition/src/video/video_format_content_type_mapper.rs b/backend/exposition/src/video/video_format_content_type_mapper.rs
new file mode 100644
index 0000000..fc6eb3e
--- /dev/null
+++ b/backend/exposition/src/video/video_format_content_type_mapper.rs
@@ -0,0 +1,11 @@
+use surveillant_systeme_domain::video::model::VideoFormat;
+
+pub fn map_to_content_type(video_format: &VideoFormat) -> &'static str {
+    match video_format {
+        VideoFormat::AVI => "video/x-msvideo",
+        VideoFormat::MKV => "video/x-matroska",
+        VideoFormat::MP4 => "video/mp4",
+        VideoFormat::WEBM => "video/webm",
+        VideoFormat::UNKNOWN => "application/octet-stream"
+    }
+}
\ No newline at end of file
diff --git a/backend/infrastructure/src/lib.rs b/backend/infrastructure/src/lib.rs
index 1681016..b239b1a 100644
--- a/backend/infrastructure/src/lib.rs
+++ b/backend/infrastructure/src/lib.rs
@@ -2,3 +2,4 @@ pub mod common;
 pub mod configuration;
 pub mod schema;
 pub mod user;
+pub mod video;
diff --git a/backend/infrastructure/src/video/mod.rs b/backend/infrastructure/src/video/mod.rs
new file mode 100644
index 0000000..53d6d11
--- /dev/null
+++ b/backend/infrastructure/src/video/mod.rs
@@ -0,0 +1 @@
+pub mod video_format_detector;
\ No newline at end of file
diff --git a/backend/infrastructure/src/video/video_format_detector.rs b/backend/infrastructure/src/video/video_format_detector.rs
new file mode 100644
index 0000000..20c82c2
--- /dev/null
+++ b/backend/infrastructure/src/video/video_format_detector.rs
@@ -0,0 +1,51 @@
+use std::fs::File;
+use std::path::Path;
+use surveillant_systeme_domain::video::model::VideoFormat;
+use surveillant_systeme_domain::video::model::VideoFormat::{AVI, MKV, MP4, UNKNOWN, WEBM};
+
+/// Determine Content-Type by reading file headers (magic numbers)
+pub fn get_content_type(path: &Path) -> VideoFormat {
+    use std::io::Read;
+
+    // Read first few bytes to detect magic numbers
+    let mut file = match File::open(path) {
+        Ok(f) => f,
+        Err(_) => return UNKNOWN,
+    };
+
+    let mut buffer = [0u8; 16]; // Read enough bytes to detect common formats
+    let bytes_read = match file.read(&mut buffer) {
+        Ok(n) if n > 0 => n,
+        _ => return UNKNOWN,
+    };
+
+    // Detect AVI format (RIFF header with AVI)
+    if bytes_read >= 12 && buffer[0..4] == [82, 73, 70, 70] && buffer[8..12] == [65, 86, 73, 32] {
+        return AVI;
+    }
+
+    // Detect MKV format (EB ML header)
+    if bytes_read >= 4 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        return MKV; // Proper MIME type for MKV
+    }
+
+    // Detect MP4/MOV format (ftyp box)
+    if bytes_read >= 8 && buffer[4..8] == [102, 116, 121, 112] {
+        return MP4;
+    }
+
+    // Detect WebM format (EB ML header like MKV but with different signature)
+    if bytes_read >= 8 && buffer[0..4] == [0x1A, 0x45, 0xDF, 0xA3] {
+        // Check for WebM signature at offset 4
+        if bytes_read >= 12 && buffer[4..8] == [119, 101, 98, 109] {
+            return WEBM;
+        }
+    }
+
+    // Fallback to extension-based detection for unknown formats
+    match path.extension().and_then(|ext| ext.to_str()) {
+        Some("mp4") | Some("mov") => MP4,
+        Some("webm") => WEBM,
+        _ => UNKNOWN,
+    }
+}
\ No newline at end of file
diff --git a/backend/launcher/Cargo.lock b/backend/launcher/Cargo.lock
index 697a6c9..26cbae6 100644
--- a/backend/launcher/Cargo.lock
+++ b/backend/launcher/Cargo.lock
@@ -41,7 +41,7 @@ dependencies = [
  "foldhash 0.1.5",
  "futures-core",
  "h2",
- "http",
+ "http 0.2.12",
  "httparse",
  "httpdate",
  "itoa",
@@ -77,7 +77,7 @@ checksum = "14f8c75c51892f18d9c46150c5ac7beb81c95f78c8b83a634d49f4ca32551fe7"
 dependencies = [
  "bytestring",
  "cfg-if",
- "http",
+ "http 0.2.12",
  "regex",
  "regex-lite",
  "serde",
@@ -316,6 +316,12 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -344,6 +350,58 @@ dependencies = [
  "fs_extra",
 ]
 
+[[package]]
+name = "axum"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31b698c5f9a010f6573133b09e0de5408834d0c82f8d7475a89fc1867a71cd90"
+dependencies = [
+ "axum-core",
+ "bytes",
+ "form_urlencoded",
+ "futures-util",
+ "http 1.4.2",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde_core",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08c78f31d7b1291f7ee735c1c6780ccde7785daae9a9206026862dab7d8792d1"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "http 1.4.2",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "sync_wrapper",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "base16ct"
 version = "0.2.0"
@@ -1125,6 +1183,15 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
+[[package]]
+name = "futures-channel"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07bbe89c50d7a535e539b8c17bc0b49bdb77747034daa8087407d655f3f7cc1d"
+dependencies = [
+ "futures-core",
+]
+
 [[package]]
 name = "futures-core"
 version = "0.3.32"
@@ -1225,7 +1292,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http",
+ "http 0.2.12",
  "indexmap",
  "slab",
  "tokio",
@@ -1301,6 +1368,39 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6970f50e31d6fc17d3fa27329444bfa74e196cf62e95052a3f6fee181dba6425"
+dependencies = [
+ "bytes",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca2a8f2913ee65f60facd6a5905613afaa448497a0230cc41ce022d93290bc2c"
+dependencies = [
+ "bytes",
+ "http 1.4.2",
+]
+
+[[package]]
+name = "http-body-util"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9f41fd6a08e4d4ec69df65976da761afd5ad5e58a9d4acb46bd1c953a9e3ff2"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "http 1.4.2",
+ "http-body",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "httparse"
 version = "1.10.1"
@@ -1322,6 +1422,41 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "hyper"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55281c53a1894c864990125767da440a4e630446785086f52523b20033b74498"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "http 1.4.2",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "smallvec",
+ "tokio",
+]
+
+[[package]]
+name = "hyper-util"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
+dependencies = [
+ "bytes",
+ "http 1.4.2",
+ "http-body",
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tower-service",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.65"
@@ -1674,12 +1809,15 @@ dependencies = [
 name = "lumiere-application"
 version = "1.0.0"
 dependencies = [
+ "axum",
  "bcrypt",
  "chrono",
  "jsonwebtoken",
  "log",
  "lumiere-domain",
+ "mime",
  "rand 0.10.1",
+ "tokio",
  "uuid",
 ]
 
@@ -1721,6 +1859,12 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
+
 [[package]]
 name = "memchr"
 version = "2.8.0"
@@ -2433,6 +2577,17 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a9ff822e371bb5403e391ecd83e182e0e77ba7f6fe0160b795797109d1b457"
+dependencies = [
+ "itoa",
+ "serde",
+ "serde_core",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "1.1.1"
@@ -2636,6 +2791,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
+
 [[package]]
 name = "synstructure"
 version = "0.13.2"
@@ -2736,6 +2897,7 @@ dependencies = [
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.6.3",
+ "tokio-macros",
  "windows-sys 0.61.2",
 ]
 
@@ -2755,6 +2917,17 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.26.4"
@@ -2809,6 +2982,34 @@ dependencies = [
  "winnow 1.0.3",
 ]
 
+[[package]]
+name = "tower"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
+
+[[package]]
+name = "tower-service"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
+
 [[package]]
 name = "tracing"
 version = "0.1.44"
diff --git a/backend/launcher/src/main.rs b/backend/launcher/src/main.rs
index bc3739b..b478206 100644
--- a/backend/launcher/src/main.rs
+++ b/backend/launcher/src/main.rs
@@ -9,28 +9,37 @@ use rustls::ServerConfig;
 use std::env;
 use std::fs::File;
 use std::io::{BufReader, Error};
+use std::path::Path;
 use std::sync::Arc;
 use surveillant_systeme_exposition::init;
+use surveillant_systeme_exposition::video::video_format_content_type_mapper::map_to_content_type;
+use surveillant_systeme_infrastructure::video::video_format_detector::get_content_type;
 use tokio_cron_scheduler::{Job, JobScheduler};
 
-#[actix_web::main]
-async fn main() -> std::io::Result<()>{
-    dotenv().ok();
-    unsafe { env::set_var("RUST_LOG", "debug"); }
-    check_all_variables_are_set();
-    env_logger::init();
-
-    let application_context = ApplicationContext::init()?;
-
-    let tls_config = init_tls_configuration()?;
-    let server = HttpServer::new(
-        move || App::new().configure(init)
-                .app_data(web::Data::new(Arc::new(application_context.user_service.clone())))
-    )
-        .bind_rustls_0_23(("0.0.0.0", 19000), tls_config)
-        .expect("Unable to start server");
-
-    server.run().await
+// #[actix_web::main]
+fn main() {
+    let path_str = "/home/florian/Videos/AirFly/GH010015.MP4";
+    let path = Path::new(path_str);
+    let file_type = get_content_type(&path);
+    let file_content_type = map_to_content_type(&file_type);
+    println!("file_type={file_content_type}");
+    ()
+    // dotenv().ok();
+    // unsafe { env::set_var("RUST_LOG", "debug"); }
+    // check_all_variables_are_set();
+    // env_logger::init();
+    //
+    // let application_context = ApplicationContext::init()?;
+    //
+    // let tls_config = init_tls_configuration()?;
+    // let server = HttpServer::new(
+    //     move || App::new().configure(init)
+    //             .app_data(web::Data::new(Arc::new(application_context.user_service.clone())))
+    // )
+    //     .bind_rustls_0_23(("0.0.0.0", 19000), tls_config)
+    //     .expect("Unable to start server");
+    //
+    // server.run().await
 }
 
 fn init_tls_configuration() -> Result<ServerConfig, Error> {
@@ -60,4 +69,4 @@ fn check_all_variables_are_set() {
         env::var(variable).expect(format!("{} should be defined!", variable).as_str());
     });
     info!("All variables are set correctly.");
-}
+}
\ No newline at end of file