Update README.md (#2930)

containers/ecr-viewer/README.md

@@ -45,23 +45,22 @@ For local development, if `NEXT_PUBLIC_NON_INTEGRATED_VIEWER` is not set equal t
 
 ## Potential Issues
 
-If you have problems connecting your database run this command to see what other postgres databases are running
-`sudo lsof -i :5432`
+If you have problems connecting to your database, use this command to see what other postgres databases might be running
+`sudo lsof -i :5432`. If anything is using that port, kill it using: `kill {pid}`
 
-then kill it
-`kill {pid}`
+If building the Docker Image doesn't work as expected, try to first run the eCR Viewer locally using the steps below.
 
 ## Development
 
 ### Run eCR Viewer Locally
 To run the eCR Viewer locally:
 
-1. Ensure that both Git, Docker, and Node 18.x or higher are installed.
+1. Ensure that Git, Docker, and Node (version 18.x or higher) are installed.
 2. Clone the PHDI repository with `git clone https://github.com/CDCgov/phdi`.
 3. Navigate to `/phdi/containers/ecr-viewer/`.
 4. Install all of the Node dependencies for the eCR Viewer with `npm install`.
 5. Setup your `.env.local` by running `npm run setup-local-env`.
-6. Create seed data with `npm run convert-seed-data` - this will take ~10 minutes.
+6. Create seed data with `npm run convert-seed-data` - this will take ~10 minutes. Note that this process will fail immediately if the Docker daemon isn't running.
 7. Run the eCR Viewer on `localhost:3000` with `npm run local-dev`.
 
 ### Windows Setup