diff --git a/.gitignore b/.gitignore
index 800bdf3..a37001a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -145,3 +145,7 @@ dist
 
 ## Dev site's built files
 dev-site/cms
+
+# Private script files
+scripts/.config/config-dev.yml
+cms-lock.json
diff --git a/package.json b/package.json
index 4304834..e0c0e60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "snow-cms",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "A configurable CMS built with Svelte.",
   "keywords": [],
   "author": "Sammy-T",
@@ -20,6 +20,7 @@
     "serve:site": "vite dev-site",
     "build": "vite build -c cms/vite.config.js",
     "build:watch:cms": "vite build --minify false --emptyOutDir -w -c cms/vite.config.js --outDir ../dev-site/cms",
+    "prebuild:watch:cms": "node scripts/copy-config.js",
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
@@ -38,6 +39,7 @@
     "@sveltejs/vite-plugin-svelte": "^3.1.1",
     "browser-fs-access": "^0.35.0",
     "dayjs": "^1.11.11",
+    "dotenv": "^16.4.5",
     "events": "^3.3.0",
     "js-yaml": "^4.1.0",
     "npm-run-all": "^4.1.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1046d36..0d2eda9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -48,6 +48,9 @@ importers:
       dayjs:
         specifier: ^1.11.11
         version: 1.11.11
+      dotenv:
+        specifier: ^16.4.5
+        version: 16.4.5
       events:
         specifier: ^3.3.0
         version: 3.3.0
@@ -581,6 +584,10 @@ packages:
   devlop@1.1.0:
     resolution: {integrity: sha512-RWmIqhcFf1lRYBvNmr7qTNuyCt/7/ns2jbpp1+PalgE/rDQcBT0fioSMUpJ93irlUhC5hrg4cYqe6U+0ImW0rA==}
 
+  dotenv@16.4.5:
+    resolution: {integrity: sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==}
+    engines: {node: '>=12'}
+
   error-ex@1.3.2:
     resolution: {integrity: sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==}
 
@@ -1824,6 +1831,8 @@ snapshots:
     dependencies:
       dequal: 2.0.3
 
+  dotenv@16.4.5: {}
+
   error-ex@1.3.2:
     dependencies:
       is-arrayish: 0.2.1
diff --git a/scripts/.config/config-prod.yml b/scripts/.config/config-prod.yml
new file mode 100644
index 0000000..d9ecd3b
--- /dev/null
+++ b/scripts/.config/config-prod.yml
@@ -0,0 +1,49 @@
+backend:
+  name: custom # Can be 'github' or 'custom'
+  branch: master
+  file: 'backend/example.js' # The script to use as a custom backend. Relative to the /cms-config path
+  # repo: owner-name/repo-name
+  # app_name: 'My GitHub App Name' # The GitHub app used with the 'github' backend
+  # client_id: my-client-id # The client id of the GitHub app
+  # api_root: http://localhost:8788 # The root of the api used to exchange the github token
+  # auth_endpoint: /api/github/oauth/token # The api endpoint to exchange the auth code for a github token
+local_backend: true # Set to 'true' to override the backend with the local backend
+custom_actions: 'cms-actions.js' # Configure to include custom actions. Relative to the /cms-config path
+
+repo_folder: snow-cms # The root folder of the repository
+media_folder: 'dev-site/img/uploads' # The repo's media folder
+public_folder: '/img/uploads' # The site's media path (Media location when served online or via dev server)
+
+collections:
+  - name: 'news' # Used in routes, e.g., /admin/collections/blog
+    label: 'News' # Used in the UI
+    folder: 'dev-site/content/news' # The repo path to the folder where documents are stored
+    create: true # Allow users to create new documents in this collection
+    slug: '{{year}}{{month}}{{day}}-{{slug}}' # Filename template, e.g., YYYY-MM-DD-title
+    extension: 'md' # Only 'md' is supported currently
+    fields: # The fields for each document, usually in front matter
+      - { label: 'Title', name: 'title', widget: 'string' }
+      - { label: 'Publish Date', name: 'date', widget: 'datetime', type: 'date',
+          date_format: 'MM.DD.YYYY', time_format: 'HH:mm', datetime_format: 'MM.DD.YYYY HH:mm' }
+      - { label: 'Draft', name: 'draft', widget: 'boolean', default: true, required: false }
+      - { label: 'Body', name: 'body', widget: 'markdown' }
+  
+  - name: 'blog' # Used in routes, e.g., /admin/collections/blog
+    label: 'Blog' # Used in the UI
+    folder: 'dev-site/content/blog' # The repo path to the folder where documents are stored
+    create: true # Allow users to create new documents in this collection
+    slug: '{{year}}{{month}}{{day}}-{{slug}}' # Filename template, e.g., YYYY-MM-DD-title
+    extension: 'md' # Only 'md' is supported currently
+    fields: # The fields for each document, usually in front matter
+      - { label: 'Title', name: 'title', widget: 'string' }
+      - { label: 'Publish Date', name: 'date', widget: 'datetime', type: 'date',
+          date_format: 'MM.DD.YYYY', time_format: 'HH:mm', datetime_format: 'MM.DD.YYYY HH:mm' }
+      - { label: 'Draft', name: 'draft', widget: 'boolean', default: true, required: false }
+      - { label: 'Body', name: 'body', widget: 'markdown' }
+
+previews: # Filenames in this section are relative to the /cms-config path
+  default: main # Default preview name, can also be specified on each collection using a 'preview' attribute
+  templates:
+    - { name: 'main', template: 'preview-template.html' }
+  styles: # Styles will load in listed order
+    - { name: 'main', files: ['preview-styles.css', 'preview-styles-news.css'] }
diff --git a/scripts/copy-config.js b/scripts/copy-config.js
new file mode 100644
index 0000000..8a7e996
--- /dev/null
+++ b/scripts/copy-config.js
@@ -0,0 +1,54 @@
+import 'dotenv/config';
+import { copyFile, readFile, writeFile } from 'fs/promises';
+
+const lockfileName = 'cms-lock.json';
+const lockfilePath = new URL(`../${lockfileName}`, import.meta.url);
+
+async function readLockfile() {
+    try {
+        const contents = await readFile(lockfilePath, { encoding: 'utf8' });
+
+        return JSON.parse(contents);
+    } catch(error) {
+        console.warn('No lockfile found.', error);
+        return;
+    }
+}
+
+async function copyConfig() {
+    try {
+        // Get the CMS env.
+        // Fall back to 'prod' if not found.
+        const cmsEnv = process.env.CMS_ENV ?? 'prod';
+
+        // Check the custom lockfile
+        const lock = await readLockfile();
+
+        // If the lockfile matches the specified env, return early.
+        if(lock?.cms_env === cmsEnv) {
+            console.log('CMS lockfile matches.');
+            return;
+        }
+
+        // The env and lockfile don't match 
+        // so copy the specified config.
+        const sourcePath = `scripts/.config/config-${cmsEnv}.yml`;
+        const configPath = 'dev-site/cms-config/config.yml';
+
+        await copyFile(sourcePath, configPath);
+        console.log(`CMS env '${cmsEnv}'.\nCopied ${sourcePath} => ${configPath}`);
+
+        // Update the lock data
+        const newLock = { ...lock };
+        newLock.cms_env = cmsEnv;
+
+        const data = JSON.stringify(newLock, null, 2);
+
+        // Update the lockfile
+        await writeFile(lockfileName, data);
+    } catch(error) {
+        console.error('CMS copy config error', error);
+    }
+}
+
+copyConfig();