fix: enabling npm artifacts repo process update (rhdevdocs-5035)

modules/end-user-guide/pages/enabling-npm-artifact-repositories.adoc

@@ -26,14 +26,14 @@ apiVersion: v1
 metadata:
   name: tls-cer
   annotations:
-    controller.devfile.io/mount-path: /home/user/certs
+    controller.devfile.io/mount-path: /public-certs
     controller.devfile.io/mount-as: file
   labels:
     controller.devfile.io/mount-to-devworkspace: 'true'
     controller.devfile.io/watch-secret: 'true'
 data:
-  tls.cer: >-
-    __<Base64_encoded_content_of_public_cert>__ <1>
+  nexus.cer: >-
+    <Base64_encoded_content_of_public_cert>__ <1>
 ----
 <1> Base64 encoding with disabled line wrapping.
 
@@ -51,7 +51,9 @@ metadata:
     controller.devfile.io/mount-to-devworkspace: 'true'
     controller.devfile.io/watch-configmap: 'true'
 data:
-  NODE_EXTRA_CA_CERTS: /home/user/certs/tls.cer
   NPM_CONFIG_REGISTRY: >-
     https://__<npm_artifact_repository_route>__/repository/npm-all/
 ----
+
+include::partial$proc_disabling-self-signed-certificate-validation.adoc[leveloffset=+1]
+include::partial$proc_restoring-node-extra-ca-certs-variable-value.adoc[leveloffset=+1]

modules/end-user-guide/partials/proc_disabling-self-signed-certificate-validation.adoc

@@ -0,0 +1,13 @@
+[id="disabling-self-signed-certificate-validation"]
+= Disabling self-signed certificate validation
+
+Run the command below to disable SSL/TLS, bypassing the validation of your self-signed certificates. Note that this is a potential security risk. For a better solution, configure a self-signed certificate you trust with `NODE_EXTRA_CA_CERTS`. 
+
+.Procedure
+
+* Run the following command in the terminal:
++
+[source, yaml]
+----
+npm config set strict-ssl false
+----

modules/end-user-guide/partials/proc_restoring-node-extra-ca-certs-variable-value.adoc

@@ -0,0 +1,15 @@
+[id="restoring-node-extra-ca-certs-variable-value"]
+= Configuring NODE_EXTRA_CA_CERTS to use a certificate
+
+Use the command below to set NODE_EXTRA_CA_CERTS to point to where you have your SSL/TLS certificate. 
+
+.Procedure
+
+* Run the following command in the terminal:
++
+[source, bash]
+----
+`export NODE_EXTRA_CA_CERTS=/public-certs/nexus.cer` <1>
+`npm install`
+----
+<1> `/public-certs/nexus.cer` is the path to self-signed SSL/TLS certificate of Nexus artifactory.