diff --git a/.gitignore b/.gitignore
index 33e330f..a589969 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ docs/
 ts/typings/
 ts/*.js
 ts/*.js.map
+test/temp/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..e1ff342
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,5 @@
+FROM hosttoday/ht-docker-node:npmts
+COPY ./ /node-app
+WORKDIR /node-app
+RUN npm install
+RUN npmts
\ No newline at end of file
diff --git a/dist/smartssh.classes.sshkey.d.ts b/dist/smartssh.classes.sshkey.d.ts
index fb9a586..db30be9 100644
--- a/dist/smartssh.classes.sshkey.d.ts
+++ b/dist/smartssh.classes.sshkey.d.ts
@@ -18,5 +18,5 @@ export declare class SshKey {
     authorized: boolean;
     type: any;
     read(filePathArg: any): void;
-    store(dirPathArg?: string): void;
+    store(dirPathArg: string): void;
 }
diff --git a/dist/smartssh.classes.sshkey.js b/dist/smartssh.classes.sshkey.js
index 0a2cb47..636de17 100644
--- a/dist/smartssh.classes.sshkey.js
+++ b/dist/smartssh.classes.sshkey.js
@@ -118,4 +118,4 @@ var SshKey = (function () {
 exports.SshKey = SshKey;
 var testKey = new SshKey();
 
-//# sourceMappingURL=data:application/json;charset=utf8;base64,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+//# 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diff --git a/test/test.js b/test/test.js
index 83ae47d..86f99dc 100644
--- a/test/test.js
+++ b/test/test.js
@@ -2,6 +2,7 @@
 require("typings-test");
 require("should");
 var smartssh = require("../dist/index");
+var path = require("path");
 describe("smartssh", function () {
     var testSshInstance;
     var testSshKey;
@@ -26,6 +27,9 @@ describe("smartssh", function () {
         it(".publicKeyBase64 should be public key base 64 encoded", function () {
             testSshKey.pubKeyBase64;
         });
+        it(".store() should store the file to disk", function () {
+            testSshKey.store(path.join(process.cwd(), "test/temp"));
+        });
     });
     describe(".SshInstance", function () {
         it("'new' keyword should create a new SshInstance object from class", function () {
@@ -66,4 +70,4 @@ describe("smartssh", function () {
     });
 });
 
-//# 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diff --git a/test/test.ts b/test/test.ts
index 2303969..0c79a6c 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -1,6 +1,7 @@
 import "typings-test"
 import "should";
 import smartssh = require("../dist/index");
+import path = require("path");
 describe("smartssh",function(){
     let testSshInstance:smartssh.SshInstance;
     let testSshKey:smartssh.SshKey;
@@ -24,6 +25,9 @@ describe("smartssh",function(){
         });
         it(".publicKeyBase64 should be public key base 64 encoded",function(){
             testSshKey.pubKeyBase64;
+        });
+        it(".store() should store the file to disk",function(){
+            testSshKey.store(path.join(process.cwd(),"test/temp"));
         })
     });
     describe(".SshInstance",function(){
diff --git a/ts/smartssh.classes.sshkey.ts b/ts/smartssh.classes.sshkey.ts
index 1d6b032..f597814 100644
--- a/ts/smartssh.classes.sshkey.ts
+++ b/ts/smartssh.classes.sshkey.ts
@@ -77,7 +77,7 @@ export class SshKey {
     read(filePathArg){
         
     }
-    store(dirPathArg?:string){
+    store(dirPathArg:string){
         plugins.fs.ensureDirSync(dirPathArg);
         let fileNameBase =  this.host;
         if(this._privKey){