Only install ecr-credential-helper when not already installed (#349)

* apt update less often in ecr_login.sh

---------

Co-authored-by: Ryan Good <[email protected]>

Author: zaki-arain

.circleci/test-deploy.yml

@@ -386,4 +386,4 @@ executors:
     machine:
       image: ubuntu-2204:current
       docker_layer_caching: true
-    resource_class: arm.medium
+    resource_class: arm.medium

src/scripts/ecr_login.sh

@@ -47,11 +47,17 @@ configure_config_json(){
 install_aws_ecr_credential_helper(){
     echo "Installing AWS ECR Credential Helper..."
     if [[ "$SYS_ENV_PLATFORM" = "linux" ]]; then
-        $SUDO apt update
-        $SUDO apt install amazon-ecr-credential-helper
+        HELPER_INSTALLED=$(dpkg --get-selections | (grep amazon-ecr-credential-helper || test $?) | awk '{print $2}')
+        if [[ "$HELPER_INSTALLED" != "install" ]]; then
+            $SUDO apt update
+            $SUDO apt install amazon-ecr-credential-helper
+        fi
         configure_config_json
     elif [[ "$SYS_ENV_PLATFORM" = "macos" ]]; then
-        brew install docker-credential-helper-ecr
+        HELPER_INSTALLED=$(brew list -q | grep -q docker-credential-helper-ecr || test $?)
+        if [[ "$HELPER_INSTALLED" -ne 0 ]]; then
+            brew install docker-credential-helper-ecr
+        fi
         configure_config_json
     else
         docker logout "${AWS_ECR_VAL_ACCOUNT_URL}"