diff --git a/CHANGELOG.md b/CHANGELOG.md
index 922f111c..145e7d01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [v0.13.0](https://github.com/k1LoW/ndiag/compare/v0.12.1...v0.13.0) (2021-03-04)
+
+* Add dockers: setting to .goreleaser.yml [#84](https://github.com/k1LoW/ndiag/pull/84) ([k1LoW](https://github.com/k1LoW))
+* Add command `ndiag coverage` [#83](https://github.com/k1LoW/ndiag/pull/83) ([k1LoW](https://github.com/k1LoW))
+
 ## [v0.12.1](https://github.com/k1LoW/ndiag/compare/v0.12.0...v0.12.1) (2021-02-26)
 
 * Fix md file path link [#82](https://github.com/k1LoW/ndiag/pull/82) ([k1LoW](https://github.com/k1LoW))
diff --git a/CREDITS b/CREDITS
index 96cbf547..0fce08ef 100644
--- a/CREDITS
+++ b/CREDITS
@@ -653,6 +653,33 @@ SOFTWARE.
 
 ================================================================
 
+github.com/goccy/go-json
+https://github.com/goccy/go-json
+----------------------------------------------------------------
+MIT License
+
+Copyright (c) 2020 Masaaki Goshima
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+================================================================
+
 github.com/goccy/go-yaml
 https://github.com/goccy/go-yaml
 ----------------------------------------------------------------
@@ -1100,6 +1127,34 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+================================================================
+
+github.com/labstack/gommon
+https://github.com/labstack/gommon
+----------------------------------------------------------------
+The MIT License (MIT)
+
+Copyright (c) 2018 labstack
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
 ================================================================
 
 github.com/leodido/go-urn
diff --git a/Dockerfile b/Dockerfile
index f42344f1..c3d7a2c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM golang:1.16-alpine
+FROM alpine:3.13
 
-RUN apk add --no-cache bash
+RUN apk add --no-cache bash curl git
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD [ "-h" ]