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Update part12c.md #4136

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11ac363
Update part12c.md
ziirou Sep 4, 2025
5a1ab5d
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ziirou Sep 4, 2025
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Update part12c.md
ziirou Sep 4, 2025
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18 changes: 9 additions & 9 deletions src/content/12/en/part12c.md
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Original file line number Diff line number Diff line change
Expand Up @@ -486,7 +486,7 @@ services:
app:
# ...
nginx:
image: nginx:1.20.1
image: nginx:1.25-alpine
volumes:
- ./nginx.dev.conf:/etc/nginx/nginx.conf:ro
ports:
Expand All @@ -500,9 +500,9 @@ with that added, we can run _docker compose -f docker-compose.dev.yml up_ and se

```bash
$ docker container ls
CONTAINER ID IMAGE COMMAND PORTS NAMES
a02ae58f3e8d nginx:1.20.1 ... 0.0.0.0:8080->80/tcp reverse-proxy
5ee0284566b4 hello-front-dev ... 0.0.0.0:5173->5173/tcp hello-front-dev
CONTAINER ID IMAGE COMMAND PORTS NAMES
a02ae58f3e8d nginx:1.25-alpine ... 0.0.0.0:8080->80/tcp reverse-proxy
5ee0284566b4 hello-front-dev ... 0.0.0.0:5173->5173/tcp hello-front-dev
```

Connecting to http://localhost:8080 will lead to a familiar-looking page with 502 status.
Expand All @@ -512,9 +512,9 @@ This is because directing requests to http://localhost:5173 leads to nowhere as
Let's test this by going inside the Nginx container and using curl to send a request to the application itself. In our usage curl is similar to wget, but won't need any flags.

```bash
$ docker exec -it reverse-proxy bash
$ docker exec -it reverse-proxy sh

root@374f9e62bfa8:\# curl http://localhost:80
/ # curl http://localhost:80
<html>
<head><title>502 Bad Gateway</title></head>
...
Expand All @@ -525,7 +525,7 @@ To help us, Docker Compose has set up a network when we ran _docker compose up_.
Since we are inside the container, we can also test the DNS! Let's curl the service name (app) in port 5173

```html
root@374f9e62bfa8:\# curl http://app:5173
/ # curl http://app:5173
<!doctype html>
<html lang="en">
<head>
Expand All @@ -551,7 +551,7 @@ services:
app:
# ...
nginx:
image: nginx:1.20.1
image: nginx:1.25-alpine
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf:ro
ports:
Expand Down Expand Up @@ -691,7 +691,7 @@ services:
# no ports here!

nginx:
image: nginx:1.20.1
image: nginx:1.25-alpine
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf:ro
ports:
Expand Down