fixed removal of tmp nkey file, added docker compose example, and added debug logging for when messages are read from the readfolder

docker-compose.yaml

@@ -0,0 +1,19 @@
+# Example docker compose file
+# Build image with:
+#  docker build -t ctrl:0.03 .
+# Or to push to docker hub:
+#  docker buildx build --platform linux/amd64 --tag ctrl:amd64-0.03 --load .
+#  docker tag ctrl:amd64-0.03 postmannen/ctrl:amd64-0.03
+#  docker push postmannen/ctrl:amd64-0.03
+version: "3"
+
+services:
+  ctrl:
+    build: .
+    env_file:
+      - tmp/env.file
+    image: ctrl:0.02
+    restart: always
+    ports:
+      - "2111:2111"
+      - "8090:8090"

message_readers.go

@@ -289,6 +289,9 @@ func (s *server) readFolder() {
 							s.errorKernel.errSend(s.processInitial, Message{}, er, logWarning)
 						}
 
+						er := fmt.Errorf("readFolder: read new message in readfolder and putting it on s.samToSendCh: %#v", sams)
+						s.errorKernel.errSend(s.processInitial, Message{}, er, logDebug)
+
 						// Send the SAM struct to be picked up by the ring buffer.
 						s.samToSendCh <- sams
 						s.auditLogCh <- sams

server.go

@@ -123,11 +123,14 @@ func NewServer(configuration *Configuration, version string) (*server, error) {
 			cancel()
 			return nil, fmt.Errorf("error: failed to read temp nkey seed file: %v", err)
 		}
-		err = os.Remove(pth)
+
-		if err != nil {
+		defer func() {
-			cancel()
+			err = os.Remove(pth)
-			return nil, fmt.Errorf("error: failed to remove temp seed file: %v", err)
+			if err != nil {
-		}
+				cancel()
+				log.Fatalf("error: failed to remove temp seed file: %v\n", err)
+			}
+		}()
 
 	case configuration.NkeySeedFile != "" && configuration.NkeyFromED25519SSHKeyFile == "":
 		var err error