Updated the scripts and Dockerfile

scripts/manager.sh

@@ -1 +1,77 @@
-docker build -t db-middleware .
+#!/bin/bash
+
+APP_DIR="$HOME/.db-middleware"
+CODE_DIR="$HOME/.db-middleware/code"
+
+install() {
+    echo "Installing the Middleware."
+    cd "$CODE_DIR"
+
+    docker build -t db-middleware .
+
+    echo "Installed the Middleware Successfully."
+}
+
+# Function for the "upgrade" command
+upgrade() {
+    echo "Running the 'upgrade' function."
+    # Add your upgrade logic here
+}
+
+# Function for the "status" command
+status() {
+    echo "Running the 'status' function."
+    # Add your status-checking logic here
+}
+
+# Function for the "start" command
+start() {
+    echo "Running the 'start' function."
+    # Add your start logic here
+}
+
+# Function for the "stop" command
+stop() {
+    echo "Running the 'stop' function."
+    # Add your stop logic here
+}
+
+# Function to display usage instructions
+usage() {
+    echo "Usage: $0 {install|upgrade|status|start|stop}"
+    exit 1
+}
+
+# Main script logic
+main() {
+    # Check if an argument is provided
+    if [[ $# -eq 0 ]]; then
+        usage
+    fi
+
+    # Handle the argument
+    case "$1" in
+        install)
+            install
+            ;;
+        upgrade)
+            upgrade
+            ;;
+        status)
+            status
+            ;;
+        start)
+            start
+            ;;
+        stop)
+            stop
+            ;;
+        *)
+            echo "Invalid argument: $1"
+            usage
+            ;;
+    esac
+}
+
+# Run the script with the provided arguments
+main "$@"