Upgrade Go version to 1.21

README.md

@@ -11,7 +11,7 @@ By moving rewriting this tool with Go, I can generate a binary and let it run fo
 
 ## Prerequisites
 
-* go 1.20
+* go >= 1.20
 
 Fonts are available in the `fonts/` directory (Arial by default).
 Image templates are in the `templates/` directory.
@@ -20,16 +20,22 @@ Image templates are in the `templates/` directory.
 
 Clone the repository.
 
-```sh
+```bash
 git clone https://github.com/jveillet/demainilpleut-opengraph.git
 ```
 
 Build the binary.
 
-```sh
+```bash
 go build -o dist/opengraph
 ```
 
+Building without cgo (disables calling C code (import "C"))
+
+```bash
+CGO_ENABLED=0 go build -o dist/opengraph
+```
+
 Or run via source.
 
 ```sh
@@ -40,22 +46,21 @@ go run main.go
 
 Create a .env file at the root of the project, then add the two needed variables.
 
-```sh
+```bash
 touch .env && OG_IMG_PATH=templates >> .env && OG_FONTS_PATH=fonts >> .env
-
 ```
 
 ## Usage
 
-```sh
+```bash
 NAME:
    Opengraph - demainilpleut's OpenGraph images generation
 
 USAGE:
    Opengraph [global options] command [command options] [arguments...]
 
 VERSION:
-   1.0.1
+   1.0.2
 
 COMMANDS:
    generate, g  Generate an OpenGraph image
@@ -68,7 +73,7 @@ GLOBAL OPTIONS:
 
 ### Generate
 
-```sh
+```bash
 NAME:
    Opengraph generate - Generate an OpenGraph image
 

go.mod

@@ -1,15 +1,17 @@
 module github.com/jveillet/demainilpleut-opengraph
 
-go 1.20
+go 1.21
 
-require github.com/fogleman/gg v1.3.0
+require (
+	github.com/fogleman/gg v1.3.0
+	github.com/joho/godotenv v1.5.1
+	github.com/urfave/cli/v2 v2.25.1
+)
 
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
-	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/urfave/cli/v2 v2.25.1 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	golang.org/x/image v0.7.0 // indirect
 )

main.go

@@ -44,7 +44,7 @@ func main() {
 	app := &cli.App{
 		Name:    "Opengraph",
 		Usage:   "demainilpleut's OpenGraph images generation",
-		Version: "1.0.1",
+		Version: "1.0.2",
 		Commands: []*cli.Command{
 			{
 				Name:    "generate",