1 files changed, 7 insertions, 7 deletions
diff --git a/content/posts/004.md b/content/posts/004.md
index ebfaad2..e5d28b4 100644
--- a/content/posts/004.md
+++ b/content/posts/004.md
@@ -10,7 +10,7 @@ I write them like this for reasons that are probably fairly contextual. I've wri
 I've used `ints` instead of the `http.StatusXXXX` and omitted `JSON` tags in an attempt to try save up screen space.
 
 To begin with, you might have something like this:
-```
+```go
 package main
 
 import (
@@ -33,7 +33,7 @@ func main() {
 Then you might get told off because you've just registered routes with the default mux, which isn't very testable.
 
 So you tweak it a little bit.
-```
+```go
 package main
 
 import (
@@ -71,7 +71,7 @@ func main() {
 
 But now you need to do something real, you want to store and fetch data.
 
-```
+```go
 package main
 
 import (
@@ -159,7 +159,7 @@ func main() {
 }
 ```
 
-```
+```shell
 ❯ curl -X POST localhost:8080 --header "Content-Type: application/json" -d '{"foo":"bar"}'
 {"ID":0,"Foo":"bar"}
 ❯ curl -X GET localhost:8080/0
@@ -173,7 +173,7 @@ This API is inconsistent. It sometimes returns `JSON`, and the others return str
 So let's try to standardise things.
 First, let's design some form of REST spec.
 
-```
+```go
 type JSONResp[T any] struct {
 	Resources []T
 	Errs      []ErrorResp
@@ -187,7 +187,7 @@ type ErrorResp struct {
 We want to be able to support fetching multiple resources at once, if we can only fetch some resources, let's return them under `resources` and show the errors under `errs`
 
 Now, add some helpful functions to handle things.
-```
+```go
 func Post[In any, Out any](successCode int, fn func(context.Context, In) ([]Out, []ErrorResp)) func(http.ResponseWriter, *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
 		var v In
@@ -229,7 +229,7 @@ And we've standardised all `POST` requests!
 
 This function can be used by all `POST` requests, ensuring they adhere to the spec. It also removes the repetitive code around marshalling and unmarshalling to `JSON` and handles errors in a consistent manner.
 The handler functions accept a `context` param and their expected struct input.
-```
+```go
 func (s *Server) Register(mux *http.ServeMux) {
 ...
 	mux.HandleFunc("POST /", Post(201, s.Post))