Update environment variable paths and refine Docker setup in CI workflow

README.md

@@ -11,16 +11,23 @@ This project is designed to run as a containerized Node.js app that serves a gal
 
 ### 1. Using Docker Compose
 
-If you want to build the image locally, clone this repository and run:
+
+#### Using the published image from Docker Hub
+
+You can use the prebuilt image from Docker Hub:
 
 ```bash
-docker compose build
 docker compose up -d
 ```
 
-If you are using a published image from a registry, you can skip the build step and just run:
+This will pull and run `ryanehamil/pictshare-browse:latest` as defined in the provided `compose.yml`.
+
+#### Building the image locally (optional)
+
+If you want to build the image yourself, clone this repository and run:
 
 ```bash
+docker compose build
 docker compose up -d
 ```
 
@@ -36,11 +43,13 @@ The provided compose file (compose.yml) is for your convenience—feel free to u
 Make sure your pictshare uploads directory (with the `sha1.csv` file) is available in a local folder. The example `compose.yml` now mounts `./uploads` from your host to `/uploads` in the container (read-only).
 
 
+
 Example `compose.yml`:
 
 ```yaml
 services:
   pictshare-images:
+    image: ryanehamil/pictshare-browse:latest
     container_name: pictshare-images
     restart: unless-stopped
     ports: