[Docs] Fix syntax highlighting of shell commands (#19870)

Signed-off-by: Lukas Geiger <lukas.geiger94@gmail.com>

docs/deployment/nginx.md

@@ -11,13 +11,13 @@ This document shows how to launch multiple vLLM serving containers and use Nginx
 
 This guide assumes that you have just cloned the vLLM project and you're currently in the vllm root directory.
 
-```console
+```bash
 export vllm_root=`pwd`
 ```
 
 Create a file named `Dockerfile.nginx`:
 
-```console
+```dockerfile
 FROM nginx:latest
 RUN rm /etc/nginx/conf.d/default.conf
 EXPOSE 80
@@ -26,7 +26,7 @@ CMD ["nginx", "-g", "daemon off;"]
 
 Build the container:
 
-```console
+```bash
 docker build . -f Dockerfile.nginx --tag nginx-lb
 ```
 
@@ -60,14 +60,14 @@ Create a file named `nginx_conf/nginx.conf`. Note that you can add as many serve
 
 ## Build vLLM Container
 
-```console
+```bash
 cd $vllm_root
 docker build -f docker/Dockerfile . --tag vllm
 ```
 
 If you are behind proxy, you can pass the proxy settings to the docker build command as shown below:
 
-```console
+```bash
 cd $vllm_root
 docker build \
     -f docker/Dockerfile . \
@@ -80,7 +80,7 @@ docker build \
 
 ## Create Docker Network
 
-```console
+```bash
 docker network create vllm_nginx
 ```
 
@@ -129,7 +129,7 @@ Notes:
 
 ## Launch Nginx
 
-```console
+```bash
 docker run \
     -itd \
     -p 8000:80 \
@@ -142,7 +142,7 @@ docker run \
 
 ## Verify That vLLM Servers Are Ready
 
-```console
+```bash
 docker logs vllm0 | grep Uvicorn
 docker logs vllm1 | grep Uvicorn
 ```