Add note to configure the env var CNB_REGISTRY_AUTH. #95

Signed-off-by: cmoulliard <[email protected]>

README.md

@@ -228,12 +228,19 @@ and execute this command in a terminal:
 ```bash
 mvn compile exec:java
 ```
-**Important**: To avoid the `docker rate limit` error, set the following env var too
+**Important**: To avoid the `docker rate limit` error, set the following env var:
 ```bash
 export REGISTRY_USERNAME="<REGISTRY_USERNAME>"
 export REGISTRY_PASSWORD="<REGISTRY_PASSWORD>"
 export REGISTRY_SERVER="docker.io"
 ```
+and also set this one to let `lifecycle` to get rid of the docker limit: 
+```bash
+export CNB_REGISTRY_AUTH="'{"index.docker.io":"Basic <BASE64_OF_USERNAME:PASSWORD>"}'"
+
+// Replace `<BASE64_OF_USERNAME:PASSWORD> text with
+echo -n "username:password" | base64
+```
 
 ### Jbang
 

samples/build-me/README.md

@@ -14,9 +14,16 @@ and execute this command in a terminal:
 mvn compile exec:java
 ```
 
-**Important**: To avoid the `docker rate limit` error, set the following env var too
+**Important**: To avoid the `docker rate limit` error, set the following env var:
 ```bash
 export REGISTRY_USERNAME="<REGISTRY_USERNAME>"
 export REGISTRY_PASSWORD="<REGISTRY_PASSWORD>"
 export REGISTRY_SERVER="docker.io"
+```
+and also set this one to let `lifecycle` to get rid of the docker limit:
+```bash
+export CNB_REGISTRY_AUTH="'{"index.docker.io":"Basic <BASE64_OF_USERNAME:PASSWORD>"}'"
+
+// Replace `<BASE64_OF_USERNAME:PASSWORD> text with
+echo -n "username:password" | base64
 ```

samples/build-me/src/main/java/dev/snowdrop/BuildMe.java

@@ -28,8 +28,9 @@ public static void main(String... args) {
 
         Map<String, String> envMap = new HashMap<>();
         envMap.put("BP_JVM_VERSION", "21");
+        envMap.put("CNB_REGISTRY_AUTH",System.getenv("CNB_REGISTRY_AUTH"));
+        // envMap.put("CNB_LOG_LEVEL","debug");
         // envMap.put("BP_MAVEN_BUILT_ARTIFACT","target/quarkus-app/lib/ target/quarkus-app/*.jar target/quarkus-app/app/ target/quarkus-app/quarkus");
-        // envMap.put("CNB_LOG_LEVEL","trace");
 
         DockerClient client = getDockerClient();
         client.authConfig()