diff --git a/SIMPLE-SETUP.md b/SIMPLE-SETUP.md
index 485efd0..cb6f99e 100644
--- a/SIMPLE-SETUP.md
+++ b/SIMPLE-SETUP.md
@@ -18,7 +18,7 @@ docker-compose up -d
 ```
 
 This will:
-- Pull the calculator image from Gitea registry
+- Build the calculator image from the local Dockerfile
 - Start the container
 - Make the calculator available at http://localhost:8080
 
@@ -46,7 +46,7 @@ version: '3.8'
 
 services:
   puffin-calculator:
-    image: code.letsbe.solutions/matt/puffinoffsetcalculator:latest
+    build: .
     container_name: puffin-calculator
     ports:
       - "8080:80"
diff --git a/docker-compose.yml b/docker-compose.yml
index 9e1ba08..251bf6d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 
 services:
   puffin-calculator:
-    image: code.letsbe.solutions/matt/puffinoffsetcalculator:latest
+    build: .
     container_name: puffin-calculator
     ports:
       - "8080:80"
diff --git a/setup.sh b/setup.sh
index faca2e4..bd4b988 100644
--- a/setup.sh
+++ b/setup.sh
@@ -25,20 +25,8 @@ if ! command -v docker-compose &> /dev/null; then
   exit 1
 fi
 
-echo "Logging into Gitea container registry..."
-echo "Please enter your Gitea credentials when prompted:"
-docker login code.letsbe.solutions
-
-if [ $? -ne 0 ]; then
-  echo "========================================"
-  echo "Error: Failed to log in to the Gitea registry."
-  echo "Please check your credentials and try again."
-  echo "========================================"
-  exit 1
-fi
-
-echo "Pulling and starting the Docker container..."
-docker-compose up -d
+echo "Building and starting the Docker container..."
+docker-compose up -d --build
 
 if [ $? -eq 0 ]; then
   echo "========================================"