added docker instruction

README.md

@@ -2,7 +2,7 @@
   <img src="https://www.hackmanit.de/images/beitragsbilder/blog/Web-Cache-Vulnerability-Scanner-Banner.png" width="100%" alt=""/>
 </h1>
 
-[![Release](https://img.shields.io/github/release/Hackmanit/Web-Cache-Vulnerability-Scanner.svg?color=brightgreen)](https://github.com/Hackmanit/Web-Cache-Vulnerability-Scanner/releases)
+[![Release](https://img.shields.io/github/release/Hackmanit/Web-Cache-Vulnerability-Scanner.svg?color=brightgreen)](https://github.com/Hackmanit/Web-Cache-Vulnerability-Scanner/releases/latest)
 [![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/Hackmanit/Web-Cache-Vulnerability-Scanner)](https://golang.org/)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
 
@@ -58,6 +58,34 @@ go1.17
 go install -v github.com/Hackmanit/Web-Cache-Vulnerability-Scanner@latest
 ```
 
+## Option 3: Docker
+### 1. Clone repository or download the [latest source code release](https://github.com/Hackmanit/Web-Cache-Vulnerability-Scanner/releases/latest)
+### 2. Build image (the wordlists folder will also be copied)
+```
+$ docker build .
+Sending build context to Docker daemon  29.54MB
+Step 1/10 : FROM golang:latest AS builder
+ ---> 05c8f6d2538a
+Step 2/10 : WORKDIR /go/src/app
+ ---> Using cache
+ ---> f591f24be8cf
+Step 3/10 : COPY . .
+ ---> 38b358dd3472
+Step 4/10 : RUN go get -d -v ./...
+ ---> Running in 41f53de436c5
+....
+Removing intermediate container 9e2e84d14ff3
+ ---> 1668edcf6ee3
+Successfully built 1668edcf6ee3
+```
+
+### 3. Run wcvs
+```
+$ docker run -it 1668edcf6ee3 /wcvs --help
+https://github.com/Hackmanit/Web-Cache-Vulnerability-Scanner
+version 1.0.0
+```
+
 # Usage
 WCVS is highly customizable using its flags. Many of the flags can either contain a value directly or the path to a file.