diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b1ad1c..db74669 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [v0.9.1] - 2021-03-14
+### Added
+- Added Dockerfile. 
+
+### Changed
+- Disabled CGO in release script.
+
 ## [v0.9.0] - 2020-12-20
 ### Added
 - Added config validation. 
@@ -86,7 +93,8 @@ than entry in configuration file.
 ### Added
 - Initial implementation.
 
-[Unreleased]: https://github.com/gorcon/rcon-cli/compare/v0.9.0...HEAD
+[Unreleased]: https://github.com/gorcon/rcon-cli/compare/v0.9.1...HEAD
+[v0.9.1]: https://github.com/gorcon/rcon-cli/compare/v0.9.0...v0.9.1
 [v0.9.0]: https://github.com/gorcon/rcon-cli/compare/v0.8.1...v0.9.0
 [v0.8.1]: https://github.com/gorcon/rcon-cli/compare/v0.8.0-beta.2...v0.8.1
 [v0.8.0-beta.2]: https://github.com/gorcon/rcon-cli/compare/v0.8.0-beta...v0.8.0-beta.2
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..3132df8
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,10 @@
+FROM scratch
+MAINTAINER Pavel Korotkiy <paul.korotkiy@gmail.com>
+
+COPY LICENSE /
+COPY README.md /
+COPY CHANGELOG.md /
+COPY rcon.yaml /
+COPY rcon-cli /rcon
+
+CMD ["/rcon"]
diff --git a/LICENSE b/LICENSE
index a5db1e2..9014e14 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Pavel Korotkiy (outdead)
+Copyright (c) 2021 Pavel Korotkiy (outdead)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index aea5211..31f2706 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 [![top level coverage](https://gocover.io/_badge/github.com/gorcon/rcon-cli?0)](https://gocover.io/github.com/gorcon/rcon-cli)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gorcon/rcon-cli)](https://goreportcard.com/report/github.com/gorcon/rcon-cli)
 [![GitHub All Releases](https://img.shields.io/github/downloads/gorcon/rcon-cli/total)](https://github.com/gorcon/rcon-cli/releases)
+[![Docker Pulls](https://img.shields.io/docker/pulls/outdead/rcon.svg)](https://hub.docker.com/r/outdead/rcon)
 
 CLI for executing queries on a remote [Source dedicated game server](https://developer.valvesoftware.com/wiki/Source_Dedicated_Server), using the [RCON](https://developer.valvesoftware.com/wiki/Source_RCON_Protocol) protocol.
 
@@ -22,6 +23,10 @@ Download the binary for your platform from the [latest releases](https://github.
 
 See [Changelog](CHANGELOG.md) for release details
 
+### Docker
+
+    docker pull outdead/rcon
+
 ## Usage
 
 ```text
diff --git a/internal/logger/logger.go b/internal/logger/logger.go
index 1421ca8..79c5ca2 100644
--- a/internal/logger/logger.go
+++ b/internal/logger/logger.go
@@ -25,12 +25,14 @@ func OpenFile(name string) (file *os.File, err error) {
 	switch _, err = os.Stat(name); {
 	case err == nil:
 		file, err = os.OpenFile(name, os.O_APPEND|os.O_WRONLY, 0666)
+		if err != nil {
+			return file, fmt.Errorf("open: %w", err)
+		}
 	case os.IsNotExist(err):
 		file, err = os.Create(name)
-	}
-
-	if err != nil {
-		return file, fmt.Errorf("open: %w", err)
+		if err != nil {
+			return file, fmt.Errorf("create: %w", err)
+		}
 	}
 
 	return file, nil
diff --git a/release.sh b/release.sh
index 5e4da49..f5d9fde 100755
--- a/release.sh
+++ b/release.sh
@@ -24,8 +24,7 @@ function make_release() {
     local dir="release/${release_name}"
 
     mkdir -p "${dir}"
-    env GOARCH="${arch}" GOOS="${os}" go build -ldflags "-s -w -X main.Version=${VERSION}" -o "${dir}/rcon${ext}"
-    #upx-ucl --best "${dir}/rcon${ext}" -o "${dir}/rcon-upx${ext}"
+    env GOARCH="${arch}" GOOS="${os}" CGO_ENABLED=0 go build -ldflags "-s -w -X main.Version=${VERSION}" -o "${dir}/rcon${ext}"
 
     cp LICENSE "${dir}"
     cp README.md "${dir}"
@@ -52,3 +51,5 @@ make_release amd64 linux "rcon-${VERSION}-amd64_linux"
 make_release 386 windows "rcon-${VERSION}-win32" .exe
 make_release amd64 windows "rcon-${VERSION}-win64" .exe
 make_release amd64 darwin "rcon-${VERSION}-amd64_darwin"
+
+env GOARCH="amd64" GOOS="linux" CGO_ENABLED=0 go build -ldflags "-s -w -X main.Version=${VERSION}"