Merge pull request #92 from tawoe/prestart

Prestart

Author: simonredfern

Dockerfiles/frontend_build.env

@@ -1,5 +1,12 @@
 VITE_OBP_API_HOST=VITE_OBP_API_HOST
 VITE_OBP_API_PORTAL_HOST=VITE_OBP_API_PORTAL_HOST
 VITE_OBP_API_MANAGER_HOST=VITE_OBP_API_MANAGER_HOST
-VITE_OBP_API_VERSION=v5.1.0
-
+VITE_OBP_LOGO_URL=VITE_OBP_LOGO_URL
+VITE_OBP_API_VERSION=VITE_OBP_API_VERSION
+VITE_OBP_LINKS_COLOR=VITE_OBP_LINKS_COLOR
+VITE_OBP_HEADER_LINKS_COLOR=VITE_OBP_HEADER_LINKS_COLOR
+VITE_OBP_HEADER_LINKS_HOVER_COLOR=VITE_OBP_HEADER_LINKS_HOVER_COLOR
+VITE_OBP_HEADER_LINKS_BACKGROUND_COLOR=VITE_OBP_HEADER_LINKS_BACKGROUND_COLOR
+VITE_OBP_API_DEFAULT_RESOURCE_DOC_VERSION=VITE_OBP_API_DEFAULT_RESOURCE_DOC_VERSION
+VITE_CHATBOT_ENABLED=VITE_CHATBOT_ENABLED
+VITE_CHATBOT_URL=VITE_CHATBOT_URL

Dockerfiles/prestart.go

@@ -7,16 +7,35 @@ import (
 	"path/filepath"
 	"regexp"
 	"strings"
+	"fmt"
 )
 
+// As the frontend environment is read at build time, we need to reprocess the values
+// at container runtime.
+// This app will search and replace the values set at build time from this build environment: Dockerfiles/frontend_build.env
+// with values taken from the container environment.
+
 func main() {
-	// Define the host env variables to be replaced at build time
-	config := []string{"VITE_OBP_API_HOST", "VITE_OBP_API_MANAGER_HOST", "VITE_OBP_API_PORTAL_HOST"}
+	// Define the build env variables to be replaced at container run time
+	// url config variables are expected to be a valid URL in the container environment
+	url_config := []string{"VITE_OBP_API_HOST", "VITE_OBP_API_MANAGER_HOST", "VITE_OBP_API_PORTAL_HOST", "VITE_OBP_LOGO_URL"}
+	// DANGERZONE: The following strings will be replaced by container environment variables without any checking of whatever!!!
+	config := []string{"VITE_OBP_API_VERSION", "VITE_OBP_LINKS_COLOR", "VITE_OBP_HEADER_LINKS_COLOR", "VITE_OBP_HEADER_LINKS_HOVER_COLOR", "VITE_OBP_HEADER_LINKS_BACKGROUND_COLOR", "VITE_OBP_API_DEFAULT_RESOURCE_DOC_VERSION", "VITE_CHATBOT_ENABLED", "VITE_CHATBOT_URL"}
 	configMap := make(map[string]string)
 
 	for _, key := range config {
+	    value := os.Getenv(key)
+	    if value == "" {
+            fmt.Printf("Skipping: Environment variable %s is not set\n", key)
+            continue
+        }
+		configMap[key] = value
+	}
+
+	for _, key := range url_config {
 		rawURL := os.Getenv(key)
 		if rawURL == "" {
+		    fmt.Printf("Skipping: Environment variable %s is not set\n", key)
 			continue
 		}
 		cleanURL := checkURL(rawURL)