added cache setting to increase build permormance

Author: Gunasekar-K

.circleci/config.yml

@@ -16,12 +16,26 @@ install_deploysuite: &install_deploysuite
             cp ./../buildscript/buildenv.sh .
             cp ./../buildscript/awsconfiguration.sh .
 
+restore_cache_settings_for_build: &restore_cache_settings_for_build
+  key: docker-node-modules-{{ checksum "package-lock.json" }}
+
+save_cache_settings: &save_cache_settings
+  key: docker-node-modules-{{ checksum "package-lock.json" }}
+  paths:
+    - node_modules
+
+run_build: &run_build
+          name: Building images
+          command: ./build.sh
+
 build_steps: &build_steps
       - checkout
       - setup_remote_docker
       - run: *install_dependency
       - run: *install_deploysuite
-      - run: ./build.sh
+      - restore_cache: *restore_cache_settings_for_build
+      - run: *run_build
+      - save_cache: *save_cache_settings
       - deploy:
           name: Running MasterScript.
           command: |

build.sh

@@ -1,5 +1,22 @@
 #!/bin/bash
 set -eo pipefail
+UPDATE_CACHE=""
 echo "" > docker/api.env
 docker-compose -f docker/docker-compose.yml build terms-service
-#docker images
+#docker images
+docker create --name app terms-service:latest
+if [ -d node_modules ]
+then
+  mv package-lock.json old-package-lock.json
+  docker cp app:/terms-service/package-lock.json package-lock.json
+  set +eo pipefail
+  UPDATE_CACHE=$(cmp package-lock.json old-package-lock.json)
+  set -eo pipefail
+else
+  UPDATE_CACHE=1
+fi
+
+if [ "$UPDATE_CACHE" == 1 ]
+then
+  docker cp app:/terms-service/node_modules .
+fi