Update release process

Dockerfile

@@ -1,16 +1,19 @@
 FROM node:18-alpine
 
-RUN mkdir -p /usr/src/app && \
-    chown -R node:node /usr/src/app
-
-USER node
+RUN mkdir -p /usr/src/app
 
 WORKDIR /usr/src/app
 
-COPY --chown=node:node package.json /usr/src/app
-COPY --chown=node:node package-lock.json /usr/src/app
-COPY . /usr/src/app
+COPY package.json /usr/src/app
+COPY package-lock.json /usr/src/app
+
+# Change ownership of files before running npm install
+RUN chown -R node:node /usr/src/app
+
+USER node
 
 RUN npm install
 
+COPY . /usr/src/app
+
 CMD ["node", "src/index.js"]

build/Jenkinsfile

@@ -47,7 +47,10 @@ node('docker') {
             usernamePassword(credentialsId: params.CREDENTIALS_ID, usernameVariable: 'REGISTRY_USERNAME', passwordVariable: 'REGISTRY_PASSWORD')
         ]) {
             env.REGISTRY = params.REGISTRY
-            sh 'pushd pushgateway-pruner && ./build/build-release.sh ' + params.RELEASE_TAG + ' ' + params.IMAGE_NAME + ' && popd'
+            sh """
+                cd pushgateway-pruner
+                ./build/build-release.sh ${params.RELEASE_TAG} ${params.IMAGE_NAME}
+            """
         }
     }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pushgateway-pruner",
-  "version": "0.1.2",
+  "version": "0.2.1",
   "description": "Daemon which regularly queries a Prometheus Pushgateway and prunes groupings which have not been pushed for a certain amount of time.",
   "main": "index.js",
   "repository": {