상태변경 추가

src/main/java/com/kamco/cd/training/train/dto/DockerInspectState.java

@@ -0,0 +1,8 @@
+package com.kamco.cd.training.train.dto;
+
+public record DockerInspectState(boolean exists, boolean running, Integer exitCode, String status) {
+
+  public static DockerInspectState missing() {
+    return new DockerInspectState(false, false, null, "missing");
+  }
+}

src/main/java/com/kamco/cd/training/train/dto/OutputResult.java

@@ -0,0 +1,20 @@
+package com.kamco.cd.training.train.dto;
+
+public class OutputResult {
+
+  private final boolean completed;
+  private final String reason;
+
+  public OutputResult(boolean completed, String reason) {
+    this.completed = completed;
+    this.reason = reason;
+  }
+
+  public boolean completed() {
+    return completed;
+  }
+
+  public String reason() {
+    return reason;
+  }
+}