chore: add deploy.sh for prod restarts

deploy.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Define the service name/path for easy updates
+BINARY_NAME="gophergate"
+SOURCE_PATH="./cmd/gophergate/main.go"
+
+echo "Stopping existing $BINARY_NAME processes..."
+# Using pkill; || true ensures the script continues even if no process was found
+pkill -9 "$BINARY_NAME" || echo "No running process found."
+
+echo "Pulling latest changes from git..."
+git pull
+
+echo "Building the application..."
+if go build -o "$BINARY_NAME" "$SOURCE_PATH"; then
+    echo "Build successful. Starting $BINARY_NAME in the background..."
+    # Launch with nohup and redirect output to a log file
+    nohup "./$BINARY_NAME" > gophergate.log 2>&1 &
+    echo "Service started. PID: $!"
+else
+    echo "Build failed! Keeping the previous state."
+    exit 1
+fi