move resource file

Dockerfile

@@ -16,7 +16,6 @@ LABEL \
   description="This image contains a sample application that displays the Java system properties and demonstrates MicroProfile Config, Health and Metrics."
 
 COPY --chown=1001:0 src/main/liberty/config/ /config/
-COPY --chown=1001:0 resources/ /output/resources/
 
 RUN features.sh
 

src/main/java/io/openliberty/sample/config/CustomConfigSource.java

@@ -19,13 +19,14 @@
 import java.io.StringReader;
 
 import java.io.BufferedReader;
-import java.io.FileReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
 import org.eclipse.microprofile.config.spi.ConfigSource;
 
 public class CustomConfigSource implements ConfigSource {
 
-  String fileLocation = System.getProperty("user.dir").split("target")[0]
-      + "/resources/CustomConfigSource.json";
+  String fileLocation = "META-INF/CustomConfigSource.json";
 
   @Override
   public int getOrdinal() {
@@ -83,7 +84,8 @@ public Map<String, String> getProperties() {
   public String readFile(String fileName) {
     String result = "";
     try {
-      BufferedReader br = new BufferedReader(new FileReader(fileName));
+      InputStream is = this.getClass().getClassLoader().getResourceAsStream(fileName);
+      BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
       StringBuilder sb = new StringBuilder();
       String line = br.readLine();
       while (line != null) {