User input validation

Makefile

@@ -20,6 +20,6 @@ summary:
 	@echo "zero-deployable-react-frontend:"
 	@echo "- Repository URL: ${REPOSITORY}"
 	@echo "- Deployment Pipeline URL: https://app.circleci.com/pipelines/github/${GITHUB_ORG}/${GITHUB_REPO}"
-	@echo $(shell echo ${ENVIRONMENT} | grep production > /dev/null && echo "- Production Landing Page: ${productionFrontendSubdomain}${productionHostRoot}")
-	@echo $(shell echo ${ENVIRONMENT} | grep staging > /dev/null && echo "- Staging Landing Page: ${stagingFrontendSubdomain}${stagingHostRoot}")
+	@echo $(shell echo ${ENVIRONMENT} | grep prod > /dev/null && echo "- Production Landing Page: ${productionFrontendSubdomain}${productionHostRoot}")
+	@echo $(shell echo ${ENVIRONMENT} | grep stage > /dev/null && echo "- Staging Landing Page: ${stagingFrontendSubdomain}${stagingHostRoot}")
 

zero-module.yml

@@ -27,20 +27,44 @@ parameters:
       - "us-east-2"
   - field: productionHostRoot
     label: Production Root Host Name (e.g. mydomain.com) - this must be the root of the chosen domain, not a subdomain.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.{1})+[a-z]{2,}$'
+      errorMessage: Invalid root domain name
   - field: productionFrontendSubdomain
     label: Production Frontend Host Name (e.g. app.)
     default: app.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.)$'
+      errorMessage: Invalid subdomain (cannot contain special chars & must end with a '.') 
   - field: productionBackendSubdomain
     label: Production Backend Host Name (e.g. api.)
     default: api.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.)$'
+      errorMessage: Invalid subdomain (cannot contain special chars & must end with a '.')
   - field: stagingHostRoot
     label: Staging Root Host Name (e.g. mydomain-staging.com) - this must be the root of the chosen domain, not a subdomain.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.{1})+[a-z]{2,}$'
+      errorMessage: Invalid root domain name
   - field: stagingFrontendSubdomain
     label: Staging Frontend Host Name (e.g. app.)
     default: app.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.)$'
+      errorMessage: Invalid subdomain (cannot contain special chars & must end with a '.')
   - field: stagingBackendSubdomain
     label: Staging Backend Host Name (e.g. api.)
     default: api.
+    fieldValidation:
+      type: regex
+      value: '^([a-z0-9]+(-[a-z0-9]+)*\.)$'
+      errorMessage: Invalid subdomain (cannot contain special chars & must end with a '.')
   - field: randomSeed
     label: Random seed that will be shared between projects to come up with deterministic resource names
     execute: uuidgen | head -c 8