fix(build.sh): update image tag handling to prompt interactively if omitted

- Modified the build script to allow the image tag to be optional, prompting the user for input if not provided.
- Updated usage instructions to reflect the new behavior.

build.sh

@@ -6,10 +6,10 @@ cd "$ROOT_DIR"
 
 usage() {
   cat <<EOF >&2
-Usage: $(basename "$0") <tag> [service]
+Usage: $(basename "$0") [tag] [service]
 
 Arguments:
-  tag        Image tag (required), e.g. 200-develop
+  tag        Image tag (if omitted, asked interactively), e.g. 200-develop
   service    Service name (default: web)
 
 Environment variables:
@@ -20,6 +20,7 @@ Environment variables:
   PUSH       Set to 1 to docker push after build (default: 0)
 
 Examples:
+  $(basename "$0")
   $(basename "$0") 200-develop
   RUN_BUILD=1 $(basename "$0") 200-develop
   $(basename "$0") 200-develop web
@@ -28,11 +29,11 @@ EOF
   exit 1
 }
 
-if [[ $# -lt 1 || "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
   usage
 fi
 
-TAG="$1"
+TAG="${1:-}"
 SERVICE="${2:-web}"
 REGISTRY="${REGISTRY:-ovh-docker.aectest.ir}"
 PROJECT="${PROJECT:-tm}"
@@ -40,6 +41,15 @@ DOCKERFILE="${DOCKERFILE:-$ROOT_DIR/Dockerfile}"
 RUN_BUILD="${RUN_BUILD:-0}"
 PUSH="${PUSH:-0}"
 
+if [[ -z "$TAG" ]]; then
+  read -r -p "Enter image tag (example: 200-develop): " TAG
+fi
+
+if [[ -z "$TAG" ]]; then
+  echo "Tag is required." >&2
+  exit 1
+fi
+
 if [[ "$DOCKERFILE" != /* ]]; then
   DOCKERFILE="$ROOT_DIR/$DOCKERFILE"
 fi