fix: clean up Docker container when deleting an app (closes #2)

internal/handlers/app.go

@@ -267,6 +267,29 @@ func (h *Handlers) HandleAppDelete() http.HandlerFunc {
 			return
 		}
 
+		// Stop and remove the Docker container before deleting the DB record
+		containerInfo, containerErr := h.docker.FindContainerByAppID(request.Context(), appID)
+		if containerErr == nil && containerInfo != nil {
+			if containerInfo.Running {
+				stopErr := h.docker.StopContainer(request.Context(), containerInfo.ID)
+				if stopErr != nil {
+					h.log.Error("failed to stop container during app deletion",
+						"error", stopErr, "app", application.Name,
+						"container", containerInfo.ID)
+				}
+			}
+
+			removeErr := h.docker.RemoveContainer(request.Context(), containerInfo.ID, true)
+			if removeErr != nil {
+				h.log.Error("failed to remove container during app deletion",
+					"error", removeErr, "app", application.Name,
+					"container", containerInfo.ID)
+			} else {
+				h.log.Info("removed container during app deletion",
+					"app", application.Name, "container", containerInfo.ID)
+			}
+		}
+
 		deleteErr := application.Delete(request.Context())
 		if deleteErr != nil {
 			h.log.Error("failed to delete app", "error", deleteErr)