diff --git a/.markdownlint.yaml b/.markdownlint.yaml
index 57b2fbf..346891a 100644
--- a/.markdownlint.yaml
+++ b/.markdownlint.yaml
@@ -7,23 +7,32 @@ default: true
 # Path to configuration file to extend
 extends: null
 
-# MD003/heading-style/header-style - Heading style
+# MD001/heading-increment : Heading levels should only increment by one level at a time : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md001.md
+MD001: true
+
+# MD003/heading-style : Heading style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md003.md
 MD003:
   # Heading style
   style: "atx"
 
-# MD004/ul-style - Unordered list style
+# MD004/ul-style : Unordered list style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md004.md
 MD004:
+  # List style
   style: "dash"
 
-# MD007/ul-indent - Unordered list indentation
+# MD005/list-indent : Inconsistent indentation for list items at the same level : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md005.md
+MD005: true
+
+# MD007/ul-indent : Unordered list indentation : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md007.md
 MD007:
   # Spaces for indent
   indent: 2
   # Whether to indent the first level of the list
   start_indented: false
+  # Spaces for first level indent (when start_indented is set)
+  start_indent: 2
 
-# MD009/no-trailing-spaces - Trailing spaces
+# MD009/no-trailing-spaces : Trailing spaces : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md009.md
 MD009:
   # Spaces for line break
   br_spaces: 2
@@ -32,67 +41,93 @@ MD009:
   # Include unnecessary breaks
   strict: false
 
-# MD010/no-hard-tabs - Hard tabs
+# MD010/no-hard-tabs : Hard tabs : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md010.md
 MD010:
   # Include code blocks
   code_blocks: true
+  # Fenced code languages to ignore
+  ignore_code_languages: []
+  # Number of spaces for each hard tab
+  spaces_per_tab: 1
 
 # MD012/no-multiple-blanks - Multiple consecutive blank lines
 MD012:
   # Consecutive blank lines
   maximum: 1
 
-# MD013/line-length - Line length
+# MD013/line-length : Line length : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md013.md
 MD013:
   # Number of characters
-  line_length: 80
+  line_length: 120
   # Number of characters for headings
-  heading_line_length: 80
+  heading_line_length: 120
   # Number of characters for code blocks
-  code_block_line_length: 80
+  code_block_line_length: 120
   # Include code blocks
   code_blocks: false
   # Include tables
   tables: false
   # Include headings
   headings: true
-  # Include headings
-  headers: true
   # Strict length checking
   strict: false
   # Stern length checking
   stern: false
 
-# MD022/blanks-around-headings/blanks-around-headers - Headings should be surrounded by blank lines
+# MD014/commands-show-output : Dollar signs used before commands without showing output : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md014.md
+MD014: true
+
+# MD018/no-missing-space-atx : No space after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md018.md
+MD018: true
+
+# MD019/no-multiple-space-atx : Multiple spaces after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md019.md
+MD019: true
+
+# MD020/no-missing-space-closed-atx : No space inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md020.md
+MD020: true
+
+# MD021/no-multiple-space-closed-atx : Multiple spaces inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md021.md
+MD021: true
+
+# MD022/blanks-around-headings : Headings should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md022.md
 MD022:
   # Blank lines above heading
   lines_above: 1
   # Blank lines below heading
   lines_below: 1
 
-# MD024/no-duplicate-heading/no-duplicate-header - Multiple headings with the same content
+# MD023/heading-start-left : Headings must start at the beginning of the line : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md023.md
+MD023: true
+
+# MD024/no-duplicate-heading : Multiple headings with the same content : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md024.md
 MD024:
   # Only check sibling headings
-  allow_different_nesting: true
+  siblings_only: true
 
-# MD025/single-title/single-h1 - Multiple top-level headings in the same document
+# MD025/single-title/single-h1 : Multiple top-level headings in the same document : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md025.md
 MD025:
   # Heading level
   level: 1
   # RegExp for matching title in front matter
   front_matter_title: "^\\s*title\\s*[:=]"
 
-# MD026/no-trailing-punctuation - Trailing punctuation in heading
+# MD026/no-trailing-punctuation : Trailing punctuation in heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md026.md
 MD026:
   # Punctuation characters
   punctuation: ".,;:!。，；：！"
 
-# MD029/ol-prefix - Ordered list item prefix
+# MD027/no-multiple-space-blockquote : Multiple spaces after blockquote symbol : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md027.md
+MD027: true
+
+# MD028/no-blanks-blockquote : Blank line inside blockquote : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md028.md
+MD028: true
+
+# MD029/ol-prefix : Ordered list item prefix : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md029.md
 MD029:
   # List style
   style: "one_or_ordered"
 
-# MD030/list-marker-space - Spaces after list markers
+# MD030/list-marker-space : Spaces after list markers : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md030.md
 MD030:
   # Spaces for single-line unordered list items
   ul_single: 1
@@ -103,35 +138,74 @@ MD030:
   # Spaces for multi-line ordered list items
   ol_multi: 1
 
-# MD033/no-inline-html - Inline HTML
+# MD031/blanks-around-fences : Fenced code blocks should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md031.md
+MD031:
+  # Include list items
+  list_items: true
+
+# MD032/blanks-around-lists : Lists should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md032.md
+MD032: true
+
+# MD033/no-inline-html : Inline HTML : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md033.md
 MD033:
   # Allowed elements
   allowed_elements: []
 
-# MD035/hr-style - Horizontal rule style
+# MD034/no-bare-urls : Bare URL used : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md034.md
+MD034: true
+
+# MD035/hr-style : Horizontal rule style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md035.md
 MD035:
   # Horizontal rule style
   style: "---"
 
-# MD036/no-emphasis-as-heading/no-emphasis-as-header - Emphasis used instead of a heading
+# MD036/no-emphasis-as-heading : Emphasis used instead of a heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md036.md
 MD036:
   # Punctuation characters
   punctuation: ".,;:!?。，；：！？"
 
-# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
+# MD037/no-space-in-emphasis : Spaces inside emphasis markers : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md037.md
+MD037: true
+
+# MD038/no-space-in-code : Spaces inside code span elements : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md038.md
+MD038: true
+
+# MD039/no-space-in-links : Spaces inside link text : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md039.md
+MD039: true
+
+# MD040/fenced-code-language : Fenced code blocks should have a language specified : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md040.md
+MD040:
+  # List of languages
+  allowed_languages: []
+  # Require language only
+  language_only: false
+
+# MD041/first-line-heading/first-line-h1 : First line in a file should be a top-level heading : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md041.md
 MD041:
   # Heading level
   level: 1
   # RegExp for matching title in front matter
   front_matter_title: "^\\s*title\\s*[:=]"
 
-# MD044/proper-names - Proper names should have the correct capitalization
+# MD042/no-empty-links : No empty links : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md042.md
+MD042: true
+
+# MD043/required-headings : Required heading structure : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md043.md
+# MD043:
+#   # List of headings
+#   headings: []
+#   # Match case of headings
+#   match_case: false
+
+# MD044/proper-names : Proper names should have the correct capitalization : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md044.md
 MD044:
   # List of proper names
-  names: []
-  # - some-thing
+  names:
+  - Dedalus HealthCare GmbH
   # Include code blocks
   code_blocks: false
+  # Include HTML elements
+  html_elements: false
 
 # MD046/code-block-style - Code block style
 MD046:
@@ -140,5 +214,52 @@ MD046:
 
 # MD048/code-fence-style - Code fence style
 MD048:
-  # Code fence syle
-  style: "backtick"
\ No newline at end of file
+  # Code fence style
+  style: "backtick"
+
+# MD049/emphasis-style : Emphasis style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md049.md
+MD049:
+  # Emphasis style
+  style: "asterisk"
+
+# MD050/strong-style : Strong style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md050.md
+MD050:
+  # Strong style
+  style: "asterisk"
+
+# MD051/link-fragments : Link fragments should be valid : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md051.md
+MD051: true
+
+# MD052/reference-links-images : Reference links and images should use a label that is defined : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md052.md
+MD052:
+  # Include shortcut syntax
+  shortcut_syntax: false
+
+# MD053/link-image-reference-definitions : Link and image reference definitions should be needed : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md053.md
+MD053:
+  # Ignored definitions
+  ignored_definitions:
+    - "//"
+
+# MD054/link-image-style : Link and image style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md054.md
+MD054:
+  # Allow autolinks
+  autolink: true
+  # Allow inline links and images
+  inline: true
+  # Allow full reference links and images
+  full: true
+  # Allow collapsed reference links and images
+  collapsed: true
+  # Allow shortcut reference links and images
+  shortcut: true
+  # Allow URLs as inline links
+  url_inline: true
+
+# MD055/table-pipe-style : Table pipe style : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md055.md
+MD055:
+  # Table pipe style
+  style: "leading_and_trailing"
+
+# MD056/table-column-count : Table column count : https://github.com/DavidAnson/markdownlint/blob/v0.34.0/doc/md056.md
+MD056: true
diff --git a/Makefile b/Makefile
index 8aaa758..e60d0f7 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,12 @@ BUILD_IMAGE_VERSION?=latest
 BUILD_IMAGE_FULLY_QUALIFIED=${BUILD_IMAGE_REGISTRY_HOST}/${BUILD_IMAGE_NAMESPACE}/${BUILD_IMAGE_REPOSITORY}:${BUILD_IMAGE_VERSION}
 BUILD_IMAGE_UNQUALIFIED=${BUILD_IMAGE_NAMESPACE}/${BUILD_IMAGE_REPOSITORY}:${BUILD_IMAGE_VERSION}
 
+# MARKDOWNLINT_IMAGE
+MARKDOWNLINT_IMAGE_REGISTRY_HOST?=docker.io
+MARKDOWNLINT_IMAGE_REPOSITORY=volkerraschek/markdownlint
+MARKDOWNLINT_IMAGE_VERSION?=0.39.0 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/markdownlint
+MARKDOWNLINT_IMAGE_FULLY_QUALIFIED=${MARKDOWNLINT_IMAGE_REGISTRY_HOST}/${MARKDOWNLINT_IMAGE_REPOSITORY}:${MARKDOWNLINT_IMAGE_VERSION}
+
 # BUILD CONTAINER IMAGE
 # ==============================================================================
 PHONY:=container-image/build
@@ -39,6 +45,16 @@ container-image/push:
 	echo ${BUILD_IMAGE_REGISTRY_PASSWORD} | ${CONTAINER_RUNTIME} login ${BUILD_IMAGE_REGISTRY_HOST} --username ${BUILD_IMAGE_REGISTRY_USER} --password-stdin
 	${CONTAINER_RUNTIME} push ${BUILD_IMAGE_FULLY_QUALIFIED}
 
+# CONTAINER RUN - MARKDOWN-LINT
+# ==============================================================================
+PHONY+=container-run/markdown-lint
+container-run/markdown-lint:
+	${CONTAINER_RUNTIME} run \
+		--rm \
+		--volume $(shell pwd):/work \
+		${MARKDOWNLINT_IMAGE_FULLY_QUALIFIED} \
+			*.md
+
 # PHONY
 # ==============================================================================
 # Declare the contents of the PHONY variable as phony.  We keep that information
diff --git a/README.md b/README.md
index e410300..33a5e72 100644
--- a/README.md
+++ b/README.md
@@ -3,10 +3,9 @@
 [![Build Status](https://drone.cryptic.systems/api/badges/volker.raschek/build-image/status.svg)](https://drone.cryptic.systems/volker.raschek/build-image)
 [![Docker Pulls](https://img.shields.io/docker/pulls/volkerraschek/build-image)](https://hub.docker.com/r/volkerraschek/build-image)
 
-This project contains all sources to build the container image
-`docker.io/volkerraschek/build-image`. The primary goal of the image is only to
-provide an environment to compile source code for `go` or `rust` and package
-compiled binaries as PKG for Arch Linux or as RPM for RHEL based distributions.
+This project contains all sources to build the container image `docker.io/volkerraschek/build-image`. The primary goal
+of the image is only to provide an environment to compile source code for `go` or `rust` and package compiled binaries
+as PKG for Arch Linux or as RPM for RHEL based distributions.
 
 ## Supported environment variables
 
@@ -14,8 +13,8 @@ compiled binaries as PKG for Arch Linux or as RPM for RHEL based distributions.
 
 #### GNUPG_KEY
 
-Import private gpg key via `GPG_KEY`. The private key must be escaped to import
-the key inside the container image correctly. For example:
+Import private gpg key via `GPG_KEY`. The private key must be escaped to import the key inside the container image
+correctly. For example:
 
 ```bash
 GPG_FPR=YOUR_GPG_FINGERPRINT
@@ -24,8 +23,8 @@ GPG_KEY=$(gpg --armor --export-secret-keys ${GPG_FPR} | cat -e | sed -e 's/\$/\\
 
 ### makepkg
 
-The `makepkg.conf` configuration is composed from the environment variables with
-the prefix `MAKEPKG_`. Below are some examples:
+The `makepkg.conf` configuration is composed from the environment variables with the prefix `MAKEPKG_`. Below are some
+examples:
 
 `MAKEPKG_PACKAGER="Hugo McKinnock <hugo.mckinnock@example.local>"`
 `MAKEPKG_GPGKEY="0123456789"`
@@ -35,8 +34,8 @@ the prefix `MAKEPKG_`. Below are some examples:
 
 #### SSH_KEY
 
-Import private ssh key via `SSH_KEY`. The private key must be escaped to import
-the key inside the container image correctly. For example:
+Import private ssh key via `SSH_KEY`. The private key must be escaped to import the key inside the container image
+correctly. For example:
 
 ```bash
 SSH_KEY=$(cat -e ${HOME}/.ssh/id_rsa | sed -e 's/\$/\\n/g')
@@ -46,8 +45,7 @@ SSH_KEY=$(cat -e ${HOME}/.ssh/id_rsa | sed -e 's/\$/\\n/g')
 
 ### golang
 
-To use this image for building golang applications execute this in your root
-folder of your go project.
+To use this image for building golang applications execute this in your root folder of your go project.
 
 ```bash
 $ docker run \
@@ -59,9 +57,8 @@ $ docker run \
 
 ### makepkg
 
-With the following example will be an package be build for Arch Linux. Execute
-the commond in the root directory of the project, where the `PKGBUILD` file is
-located.
+With the following example will be an package be build for Arch Linux. Execute the commond in the root directory of the
+project, where the `PKGBUILD` file is located.
 
 ```bash
 $ docker run \
@@ -74,8 +71,7 @@ $ docker run \
 
 ### rust
 
-If you want to compile instead go rust sourcecode, than you can do it similar to
-the golang example.
+If you want to compile instead go rust sourcecode, than you can do it similar to the golang example.
 
 ```bash
 $ docker run \