From e2b5cdc9d904220d1d1e24d1f4a145d0d08a259e Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Mon, 29 Sep 2025 19:59:05 +0100
Subject: [PATCH] Parsing data from YAML and outputting HTML

---
 go-templates/.gitignore  |  2 ++
 go-templates/build       |  5 +++++
 go-templates/data.yaml   |  1 +
 go-templates/go.mod      |  5 +++++
 go-templates/go.sum      |  3 +++
 go-templates/main.go     | 33 +++++++++++++++++++++++++++++++++
 go-templates/tmpl/_.html |  1 +
 7 files changed, 50 insertions(+)
 create mode 100644 go-templates/.gitignore
 create mode 100755 go-templates/build
 create mode 100644 go-templates/data.yaml
 create mode 100644 go-templates/go.mod
 create mode 100644 go-templates/go.sum
 create mode 100644 go-templates/main.go
 create mode 100644 go-templates/tmpl/_.html

diff --git a/go-templates/.gitignore b/go-templates/.gitignore
new file mode 100644
index 0000000..3091afd
--- /dev/null
+++ b/go-templates/.gitignore
@@ -0,0 +1,2 @@
+/index.html
+/out
diff --git a/go-templates/build b/go-templates/build
new file mode 100755
index 0000000..131ef4c
--- /dev/null
+++ b/go-templates/build
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+go build -o out main.go
diff --git a/go-templates/data.yaml b/go-templates/data.yaml
new file mode 100644
index 0000000..4976e00
--- /dev/null
+++ b/go-templates/data.yaml
@@ -0,0 +1 @@
+Name: Oliver Davies
diff --git a/go-templates/go.mod b/go-templates/go.mod
new file mode 100644
index 0000000..e11ee42
--- /dev/null
+++ b/go-templates/go.mod
@@ -0,0 +1,5 @@
+module go-templates
+
+go 1.24.4
+
+require gopkg.in/yaml.v3 v3.0.1 // indirect
diff --git a/go-templates/go.sum b/go-templates/go.sum
new file mode 100644
index 0000000..4bc0337
--- /dev/null
+++ b/go-templates/go.sum
@@ -0,0 +1,3 @@
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/go-templates/main.go b/go-templates/main.go
new file mode 100644
index 0000000..b012ddc
--- /dev/null
+++ b/go-templates/main.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"log"
+	"os"
+	"text/template"
+
+	"gopkg.in/yaml.v3"
+)
+
+func check(err error) {
+	if err != nil {
+		log.Fatalf("error: %v", err)
+	}
+}
+
+func main() {
+	out, err := os.Create("index.html")
+	check(err)
+	defer out.Close()
+
+	data := map[string]any{}
+
+	buf, err := os.ReadFile("data.yaml")
+	check(err)
+	err = yaml.Unmarshal(buf, &data)
+	check(err)
+
+	t, err := template.ParseGlob("tmpl/*")
+	check(err)
+	err = t.Execute(out, data)
+	check(err)
+}
diff --git a/go-templates/tmpl/_.html b/go-templates/tmpl/_.html
new file mode 100644
index 0000000..cc84aec
--- /dev/null
+++ b/go-templates/tmpl/_.html
@@ -0,0 +1 @@
+<h1>{{.Name}}</h1>