diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 49eac4c..ec65028 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,19 +1,18 @@
 name: "Test Run"
 on:
   push:
-    paths: 
+    paths:
       - "dist/index.js"
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout Repository
-      uses: actions/checkout@v1
-    - name: Run the Action
-      id: run-action
-      uses: ./
-      with:
-        username: matootie
-        personalAccessToken: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
-    - name: Test output
-      run: echo ${{ steps.run-action.outputs.imageURL }}
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Run the Action
+        id: run-action
+        uses: ./
+        with:
+          accessToken: ${{ secrets.GITHUB_TOKEN }}
+      - name: Test output
+        run: echo ${{ steps.run-action.outputs.imageURL }}
diff --git a/README.md b/README.md
index 973009c..171b189 100644
--- a/README.md
+++ b/README.md
@@ -4,25 +4,25 @@ Build and publish your repository as a Docker image and push it to GitHub Packag
 
 ## Inputs
 
-### `username`
+### `accessToken`
 
-**Required**. GitHub user to publish the image on behalf of.
+**Required**. GitHub Token for the user. Must have write permissions for packages. Recommended set up would be to use the provided GitHub Token for your repository; `${{ secrets.GITHUB_TOKEN }}`.
 
-### `personalAccessToken`
+### `username`
 
-**Required**. GitHub Personal Access Token for the user. Must have write permissions for packages.
+*Optional*. GitHub user to publish the image on behalf of. Defaults to the user who triggered the action to run.
 
 ### `repositoryName`
 
-Optional. The repository to push the image to. Defaults to current repository. Must be specified in format `user/repo`.
+*Optional*. The repository to push the image to. Defaults to current repository. Must be specified in format `user/repo`.
 
 ### `imageName`
 
-Optional. The desired name for the image. Defaults to current repository name.
+*Optional*. The desired name for the image. Defaults to current repository name.
 
 ### `imageTag`
 
-Optional. The desired tag for the image. Defaults to current branch or release version number.
+*Optional*. The desired tag for the image. Defaults to current branch or release version number.
 
 ## Outputs
 
@@ -33,9 +33,10 @@ The full URL of the image.
 ## Example usage
 
 ```yaml
+- name: Checkout Repository
+  uses: actions/checkout@v2
 - name: Publish Image
-  uses: matootie/github-docker@v1.0.1
+  uses: matootie/github-docker@v2.0.0
   with:
-    username: matootie
-    personalAccessToken: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+    accessToken: ${{ secrets.GITHUB_TOKEN }}
 ```
diff --git a/action.yml b/action.yml
index f5547a9..7f6f540 100644
--- a/action.yml
+++ b/action.yml
@@ -1,27 +1,31 @@
-name: 'GitHub Docker Action'
-description: 'Build and publish your repository as a Docker image and push it to GitHub Package Registry in one step'
+name: "GitHub Docker Action"
+description: "Build and publish your repository as a Docker image and push it to GitHub Package Registry in one step"
 inputs:
-  username:
-    description: 'GitHub user to publish the image on behalf of.'
-    required: true
-  personalAccessToken:
-    description: 'GitHub Personal Access Token for the user.'
+  accessToken:
+    description: "GitHub Repository Token to log in using."
     required: true
+  context:
+    description: "Where should GitHub Docker find the Dockerfile, relative to the root of the repository."
+    required: false
+    default: "."
+  username:
+    description: "GitHub user to publish the image on behalf of."
+    required: false
   repositoryName:
-    description: 'The repository to push the image to. Defaults to current repository. Must be specified in format user/repo'
+    description: "The repository to push the image to. Defaults to current repository. Must be specified in format user/repo"
     required: false
   imageName:
-    description: 'The desired name for the image. Defaults to current repository name.'
+    description: "The desired name for the image. Defaults to current repository name."
     required: false
   imageTag:
-    description: 'The desired tag for the image. Defaults to current branch or release version number.'
+    description: "The desired tag for the image. Defaults to current branch or release version number."
     required: false
 outputs:
   imageURL:
-    description: 'The URL of the image.'
+    description: "The URL of the image."
 runs:
-  using: 'node12'
-  main: 'dist/index.js'
+  using: "node12"
+  main: "dist/index.js"
 branding:
-  icon: 'anchor'
-  color: 'blue'
+  icon: "anchor"
+  color: "blue"
diff --git a/dist/index.js b/dist/index.js
index 5ded4d5..de14e70 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -635,6 +635,7 @@ module.exports = require("os");
 /***/ (function(__unusedmodule, __unusedexports, __webpack_require__) {
 
 const process = __webpack_require__(765);
+const path = __webpack_require__(622);
 const core = __webpack_require__(470);
 const exec = __webpack_require__(986);
 
@@ -663,12 +664,16 @@ async function run() {
 
     */
 
-    // Set the workspace directory.
+    // Set the workspace directory and context.
+    const home = process.env['HOME'];
     const workspace = process.env['GITHUB_WORKSPACE'];
+    const context = core.getInput('context', { required: true });
+    path.join(workspace, context);
 
     // Log in to Docker.
-    const username = core.getInput('username', { required: true });
-    const password = core.getInput('personalAccessToken', { required: true });
+    let username = core.getInput('username', { required: false });
+    if (!username) username = process.env['GITHUB_ACTOR'];
+    const password = core.getInput('accessToken', { required: true });
     await exec.exec(
       `docker`,
       ['login', 'docker.pkg.github.com', '--username', username, '--password', password]);
@@ -690,18 +695,26 @@ async function run() {
     const refArray = ref.split('/');
     if (!imageTag) imageTag = refArray[refArray.length - 1];
 
+    // Set some variables.
+    const imageURL = `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`
+
     // Build the Docker image.
     await exec.exec(
       `docker`,
-      ['build', '--tag', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`, workspace]);
+      ['build', '--tag', imageURL, workspace]);
 
     // Push the Docker image.
     await exec.exec(
       `docker`,
-      ['push', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`]);
+      ['push', imageURL]);
 
     // Output the image URL.
-    core.setOutput('imageURL', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`);
+    core.setOutput('imageURL', imageURL);
+
+    // Delete the Docker config.
+    exec.exec(
+      'rm',
+      ['-v', `${home}/.docker/config.json`]);
   }
   catch (error) {
     core.setFailed(error.message);
diff --git a/index.js b/index.js
index 9d5cfc4..1a38566 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,5 @@
 const process = require('process');
+const path = require('path');
 const core = require('@actions/core');
 const exec = require('@actions/exec');
 
@@ -27,12 +28,16 @@ async function run() {
 
     */
 
-    // Set the workspace directory.
+    // Set the workspace directory and context.
+    const home = process.env['HOME'];
     const workspace = process.env['GITHUB_WORKSPACE'];
+    const context = core.getInput('context', { required: true });
+    path.join(workspace, context);
 
     // Log in to Docker.
-    const username = core.getInput('username', { required: true });
-    const password = core.getInput('personalAccessToken', { required: true });
+    let username = core.getInput('username', { required: false });
+    if (!username) username = process.env['GITHUB_ACTOR'];
+    const password = core.getInput('accessToken', { required: true });
     await exec.exec(
       `docker`,
       ['login', 'docker.pkg.github.com', '--username', username, '--password', password]);
@@ -54,18 +59,26 @@ async function run() {
     const refArray = ref.split('/');
     if (!imageTag) imageTag = refArray[refArray.length - 1];
 
+    // Set some variables.
+    const imageURL = `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`
+
     // Build the Docker image.
     await exec.exec(
       `docker`,
-      ['build', '--tag', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`, workspace]);
+      ['build', '--tag', imageURL, workspace]);
 
     // Push the Docker image.
     await exec.exec(
       `docker`,
-      ['push', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`]);
+      ['push', imageURL]);
 
     // Output the image URL.
-    core.setOutput('imageURL', `docker.pkg.github.com/${repository}/${imageName}:${imageTag}`);
+    core.setOutput('imageURL', imageURL);
+
+    // Delete the Docker config.
+    exec.exec(
+      'rm',
+      ['-v', `${home}/.docker/config.json`]);
   }
   catch (error) {
     core.setFailed(error.message);
diff --git a/package-lock.json b/package-lock.json
index 0f07632..3f5ba21 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "github-docker",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b901545..44d48fd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "github-docker",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "Build and publish your repository as a Docker image and push it to GitHub Package Registry in one step",
   "main": "index.js",
   "scripts": {