refactor: decouple deploy and compose packages from client dependency

pkg/client/container.go

@@ -256,7 +256,7 @@ func (cli *Client) InspectContainer(ctx context.Context, serviceID, containerID
 		}
 	}
 	if ctr.MachineID == "" {
-		return ctr, ErrNotFound
+		return ctr, api.ErrNotFound
 	}
 
 	return ctr, nil
@@ -340,26 +340,3 @@ func (cli *Client) RemoveContainer(
 
 	return nil
 }
-
-type ContainerSpecStatus string
-
-const ContainerUpToDate ContainerSpecStatus = "up-to-date"
-const ContainerNeedsUpdate ContainerSpecStatus = "needs-update"
-const ContainerNeedsRecreate ContainerSpecStatus = "needs-recreate"
-
-func CompareContainerToSpec(ctr api.Container, spec api.ServiceSpec) (ContainerSpecStatus, error) {
-	specHash, err := spec.ImmutableHash()
-	if err != nil {
-		return "", fmt.Errorf("calculate immutable hash for service spec: %w", err)
-	}
-
-	// Is the hash label is unset, there is no easy way to compare its configuration with the spec,
-	// so let's recreate as well.
-	if ctr.Config.Labels[api.LabelServiceSpecHash] != specHash {
-		return ContainerNeedsRecreate, nil
-	}
-
-	// TODO: compare mutable properties such as memory or CPU limits when they are implemented.
-
-	return ContainerUpToDate, nil
-}