Merge pull request #22 from mqasimsarfraz/qasim/more-examples

readme: Add more examples

README.md

@@ -11,13 +11,13 @@
 
 # imagesync
 
-A tool to copy/sync container images in registries without a demon.
+A tool to copy/sync images in registries without a demon.
 
 ```bash
 imagesync -h
 
 NAME:
-   imagesync - Sync container images in registries.
+   imagesync - Sync images in registries.
 
 USAGE:
    imagesync [global options] command [command options] [arguments...]
@@ -45,17 +45,18 @@ GLOBAL OPTIONS:
 You can download the binary from [releases](https://github.com/mqasimsarfraz/imagesync/releases) page and use it directly:
 
 ```bash
-curl -L -O https://github.com/mqasimsarfraz/imagesync/releases/download/v1.2.0/imagesync_Linux_x86_64.tar.gz -o /tmp/imagesync_Linux_x86_64.tar.gz
-tar -xvf /tmp/imagesync_Linux_x86_64.tar.gz
-sudo mv /tmp/imagesync /usr/local/bin/
+VERSION=$(curl -s https://api.github.com/repos/mqasimsarfraz/imagesync/releases/latest | jq -r .tag_name)
+curl -sL https://github.com/mqasimsarfraz/imagesync/releases/download/${VERSION}/imagesync_Linux_x86_64.tar.gz | sudo tar -C /usr/local/bin -xzf - imagesync
+imagesync -h
 ```
 
 ### Docker
 
 You can use the docker image to run `imagesync`:
 
 ```bash
-docker run --rm -it  ghcr.io/mqasimsarfraz/imagesync:v1.2.0 -h
+VERSION=$(curl -s https://api.github.com/repos/mqasimsarfraz/imagesync/releases/latest | jq -r .tag_name)
+docker run --rm -it  ghcr.io/mqasimsarfraz/imagesync:$VERSION -h
 ```
 
 ## Examples
@@ -85,16 +86,28 @@ imagesync  -s testdata/alpine-oci -d localhost:5000/library/alpine:3
 
 ### Image Tag
 
+#### container image
 ```
 imagesync  -s library/alpine:3 -d localhost:5000/library/alpine:3
 ```
 
+#### helm chart
+```
+imagesync  -s ghcr.io/nginxinc/charts/nginx-ingress:1.3.1 -d localhost:5000/nginxinc/charts/nginx-ingress:1.3.1
+```
+
 ### Entire Repository
 
 ```
 imagesync  -s library/alpine -d localhost:5000/library/alpine
 ```
 
+### Entire Repository (helm)
+
+```
+imagesync -s ghcr.io/nginxinc/charts/nginx-ingress -d localhost:5000/nginxinc/charts/nginx-ingress
+```
+
 ## Private Registries
 
 `imagesync` will respect the credentials stored in `~/.docker/config.json` via `docker login` etc. So in case you are

imagesync.go

@@ -28,27 +28,27 @@ var ErrInvalidTag = errors.New("invalid tag")
 func Execute() error {
 	app := cli.NewApp()
 	app.Name = "imagesync"
-	app.Usage = "Sync container images in registries."
+	app.Usage = "Sync images in registries."
 	app.Version = Version
 
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
 			Name:     "src, s",
-			Usage:    "Reference for the source container image/repository.",
+			Usage:    "Reference for the source image/repository.",
 			Required: true,
 		},
 		cli.BoolFlag{
 			Name:  "src-strict-tls",
-			Usage: "Enable strict TLS for connections to source container registry.",
+			Usage: "Enable strict TLS for connections to source registry.",
 		},
 		cli.StringFlag{
 			Name:     "dest, d",
-			Usage:    "Reference for the destination container repository.",
+			Usage:    "Reference for the destination repository.",
 			Required: true,
 		},
 		cli.BoolFlag{
 			Name:  "dest-strict-tls",
-			Usage: "Enable strict TLS for connections to destination container registry.",
+			Usage: "Enable strict TLS for connections to destination registry.",
 		},
 		cli.StringFlag{
 			Name:  "tags-pattern",