fix: drone, docker-compose, Dockerfile and Makefile

.drone.yml

@@ -1,9 +1,57 @@
+---
 kind: pipeline
-type: docker
+type: kubernetes
-name: build-image-x86_64
+name: linter
+
+platform:
+  os: linux
+  arch: amd64
 
 steps:
-- name: build-image-latest
+- name: markdown lint
+  commands:
+  - markdownlint *.md
+  image: docker.io/tmknom/markdownlint:0.23.1
+  resources:
+    limits:
+      cpu: 50
+      memory: 50M
+
+- name: email-notification
+  environment:
+    PLUGIN_HOST:
+      from_secret: smtp_host
+    PLUGIN_USERNAME:
+      from_secret: smtp_username
+    PLUGIN_PASSWORD:
+      from_secret: smtp_password
+    PLUGIN_FROM:
+      from_secret: smtp_mail_address
+  image: docker.io/drillster/drone-email:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  when:
+    status:
+    - changed
+    - failure
+
+trigger:
+  event:
+    exclude:
+    - tag
+---
+kind: pipeline
+type: docker
+name: build
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: build
   image: docker.io/volkerraschek/build-image:latest
   commands:
   - make container-image/build
@@ -14,12 +62,12 @@ steps:
     branch:
     - master
 
-- name: push-image-latest
+- name: push
   image: docker.io/volkerraschek/build-image:latest
   commands:
   - make container-image/push
   environment:
-    CONTAINER_IMAGE_REGISTRY_PASSWORD:
+    NETWORKTOOLS_IMAGE_REGISTRY_PASSWORD:
       from_secret: container_image_registry_password
   volumes:
   - name: docker_socket
@@ -27,8 +75,10 @@ steps:
   when:
     branch:
     - master
+    repo:
+    - volker.raschek/network-tools
 
-- name: delete-image-latest
+- name: delete
   image: docker.io/volkerraschek/build-image:latest
   commands:
   - make container-image/delete
@@ -39,20 +89,6 @@ steps:
     branch:
     - master
 
-- name: push-readme
-  image: docker.io/volkerraschek/build-image:latest
-  commands:
-  - make push/README
-  environment:
-    CONTAINER_IMAGE_REGISTRY_PASSWORD:
-      from_secret: container_image_registry_password
-  volumes:
-  - name: docker_socket
-    path: /var/run/docker.sock
-  when:
-    branch:
-    - master
-
 - name: notify
   image: drillster/drone-email
   environment:
@@ -73,3 +109,56 @@ volumes:
 - name: docker_socket
   host:
     path: /var/run/docker.sock
+
+trigger:
+  event:
+    exclude:
+    - tag
+---
+kind: pipeline
+type: kubernetes
+name: sync
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: github
+  image: docker.io/appleboy/drone-git-push:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  settings:
+    branch: master
+    remote: ssh://git@github.com/volker-raschek/network-tools.git
+    force: true
+    ssh_key:
+      from_secret: ssh_key
+
+- name: email-notification
+  environment:
+    PLUGIN_HOST:
+      from_secret: smtp_host
+    PLUGIN_USERNAME:
+      from_secret: smtp_username
+    PLUGIN_PASSWORD:
+      from_secret: smtp_password
+    PLUGIN_FROM:
+      from_secret: smtp_mail_address
+  image: docker.io/drillster/drone-email:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  when:
+    status:
+    - changed
+    - failure
+
+trigger:
+  event:
+  - push
+  repo:
+  - volker.raschek/network-tools

.markdownlint.yaml

@@ -0,0 +1,144 @@
+# markdownlint YAML configuration
+# https://github.com/DavidAnson/markdownlint/blob/main/schema/.markdownlint.yaml
+
+# Default state for all rules
+default: true
+
+# Path to configuration file to extend
+extends: null
+
+# MD003/heading-style/header-style - Heading style
+MD003:
+  # Heading style
+  style: "atx"
+
+# MD004/ul-style - Unordered list style
+MD004:
+  style: "dash"
+
+# MD007/ul-indent - Unordered list indentation
+MD007:
+  # Spaces for indent
+  indent: 2
+  # Whether to indent the first level of the list
+  start_indented: false
+
+# MD009/no-trailing-spaces - Trailing spaces
+MD009:
+  # Spaces for line break
+  br_spaces: 2
+  # Allow spaces for empty lines in list items
+  list_item_empty_lines: false
+  # Include unnecessary breaks
+  strict: false
+
+# MD010/no-hard-tabs - Hard tabs
+MD010:
+  # Include code blocks
+  code_blocks: true
+
+# MD012/no-multiple-blanks - Multiple consecutive blank lines
+MD012:
+  # Consecutive blank lines
+  maximum: 1
+
+# MD013/line-length - Line length
+MD013:
+  # Number of characters
+  line_length: 80
+  # Number of characters for headings
+  heading_line_length: 80
+  # Number of characters for code blocks
+  code_block_line_length: 80
+  # 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
+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
+MD024:
+  # Only check sibling headings
+  allow_different_nesting: true
+
+# MD025/single-title/single-h1 - Multiple top-level headings in the same document
+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:
+  # Punctuation characters
+  punctuation: ".,;:!。，；：！"
+
+# MD029/ol-prefix - Ordered list item prefix
+MD029:
+  # List style
+  style: "one_or_ordered"
+
+# MD030/list-marker-space - Spaces after list markers
+MD030:
+  # Spaces for single-line unordered list items
+  ul_single: 1
+  # Spaces for single-line ordered list items
+  ol_single: 1
+  # Spaces for multi-line unordered list items
+  ul_multi: 1
+  # Spaces for multi-line ordered list items
+  ol_multi: 1
+
+# MD033/no-inline-html - Inline HTML
+MD033:
+  # Allowed elements
+  allowed_elements: []
+
+# MD035/hr-style - Horizontal rule style
+MD035:
+  # Horizontal rule style
+  style: "---"
+
+# MD036/no-emphasis-as-heading/no-emphasis-as-header - Emphasis used instead of a heading
+MD036:
+  # Punctuation characters
+  punctuation: ".,;:!?。，；：！？"
+
+# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
+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
+MD044:
+  # List of proper names
+  names:
+  - network-tools
+  # Include code blocks
+  code_blocks: false
+
+# MD046/code-block-style - Code block style
+MD046:
+  # Block style
+  style: "fenced"
+
+# MD048/code-fence-style - Code fence style
+MD048:
+  # Code fence syle
+  style: "backtick"

Dockerfile

@@ -1,5 +1,5 @@
-ARG BASE_IMAGE
+FROM docker.io/library/alpine:3.14.2
 
-FROM ${BASE_IMAGE}
+RUN apk add bind-tools curl iputils
 
-RUN apk add bind-tools curl iputils
+ENTRYPOINT [ "sleep", "3600" ]

Makefile

@@ -3,60 +3,42 @@
 # container runtime. This is needed to start and run a container image.
 CONTAINER_RUNTIME?=$(shell which docker)
 
-# BASE_IMAGE
+# NETWORKTOOLS_IMAGE_REGISTRY_NAME
-# Defines the name of the container base image on which should be built the new
-# CONTAINER_IMAGE.
-BASE_IMAGE_REGISTRY_NAME:=docker.io
-BASE_IMAGE_NAMESPACE:=library
-BASE_IMAGE_NAME:=alpine
-BASE_IMAGE_VERSION:=3.11.2
-BASE_IMAGE_FULL=${BASE_IMAGE_REGISTRY_NAME}/${BASE_IMAGE_NAMESPACE}/${BASE_IMAGE_NAME}:${BASE_IMAGE_VERSION}
-BASE_IMAGE_SHORT=${BASE_IMAGE_NAMESPACE}/${BASE_IMAGE_NAME}:${BASE_IMAGE_VERSION}
-
-# CONTAINER_IMAGE_REGISTRY_NAME
 # Defines the name of the new container to be built using several variables.
-CONTAINER_IMAGE_REGISTRY_NAME:=docker.io
+NETWORKTOOLS_IMAGE_REGISTRY_NAME:=docker.io
-CONTAINER_IMAGE_REGISTRY_USER:=volkerraschek
+NETWORKTOOLS_IMAGE_REGISTRY_USER:=volkerraschek
 
-CONTAINER_IMAGE_NAMESPACE?=${CONTAINER_IMAGE_REGISTRY_USER}
+NETWORKTOOLS_IMAGE_NAMESPACE?=${NETWORKTOOLS_IMAGE_REGISTRY_USER}
-CONTAINER_IMAGE_NAME:=network-tools
+NETWORKTOOLS_IMAGE_NAME:=network-tools
-CONTAINER_IMAGE_VERSION?=latest
+NETWORKTOOLS_IMAGE_VERSION?=latest
-CONTAINER_IMAGE_FULL=${CONTAINER_IMAGE_REGISTRY_NAME}/${CONTAINER_IMAGE_NAMESPACE}/${CONTAINER_IMAGE_NAME}:${CONTAINER_IMAGE_VERSION}
+NETWORKTOOLS_IMAGE_FULLY_QUALIFIED=${NETWORKTOOLS_IMAGE_REGISTRY_NAME}/${NETWORKTOOLS_IMAGE_NAMESPACE}/${NETWORKTOOLS_IMAGE_NAME}:${NETWORKTOOLS_IMAGE_VERSION}
-CONTAINER_IMAGE_SHORT=${CONTAINER_IMAGE_NAMESPACE}/${CONTAINER_IMAGE_NAME}:${CONTAINER_IMAGE_VERSION}
+NETWORKTOOLS_IMAGE_UNQUALIFIED=${NETWORKTOOLS_IMAGE_NAMESPACE}/${NETWORKTOOLS_IMAGE_NAME}:${NETWORKTOOLS_IMAGE_VERSION}
 
 # BUILD CONTAINER IMAGE
 # ==============================================================================
 PHONY:=container-image/build
 container-image/build:
 	${CONTAINER_RUNTIME} build \
-		--build-arg BASE_IMAGE=${BASE_IMAGE_FULL} \
 		--file Dockerfile \
 		--no-cache \
 		--pull \
-		--tag ${CONTAINER_IMAGE_FULL} \
+		--tag ${NETWORKTOOLS_IMAGE_FULLY_QUALIFIED} \
-		--tag ${CONTAINER_IMAGE_SHORT} \
+		--tag ${NETWORKTOOLS_IMAGE_UNQUALIFIED} \
 		.
 
 # DELETE CONTAINER IMAGE
 # ==============================================================================
 PHONY:=container-image/delete
 container-image/delete:
-	- ${CONTAINER_RUNTIME} image rm ${CONTAINER_IMAGE_FULL} ${CONTAINER_IMAGE_SHORT}
+	- ${CONTAINER_RUNTIME} image rm ${NETWORKTOOLS_IMAGE_FULLY_QUALIFIED} ${NETWORKTOOLS_IMAGE_UNQUALIFIED}
 	- ${CONTAINER_RUNTIME} image rm ${BASE_IMAGE_FULL}
 
 # PUSH CONTAINER IMAGE
 # ==============================================================================
 PHONY+=container-image/push
 container-image/push:
-	echo ${CONTAINER_IMAGE_REGISTRY_PASSWORD} | ${CONTAINER_RUNTIME} login ${CONTAINER_IMAGE_REGISTRY_NAME} --username ${CONTAINER_IMAGE_REGISTRY_USER} --password-stdin
+	echo ${NETWORKTOOLS_IMAGE_REGISTRY_PASSWORD} | ${CONTAINER_RUNTIME} login ${NETWORKTOOLS_IMAGE_REGISTRY_NAME} --username ${NETWORKTOOLS_IMAGE_REGISTRY_USER} --password-stdin
-	${CONTAINER_RUNTIME} push ${CONTAINER_IMAGE_FULL}
+	${CONTAINER_RUNTIME} push ${NETWORKTOOLS_IMAGE_FULLY_QUALIFIED}
-
-# PUSH README
-# ==============================================================================
-PHONY+=push/README
-push/README:
-	echo ${CONTAINER_IMAGE_REGISTRY_PASSWORD} | ${CONTAINER_RUNTIME} login ${CONTAINER_IMAGE_REGISTRY_NAME} --username ${CONTAINER_IMAGE_REGISTRY_USER} --password-stdin
-	docker pushrm ${CONTAINER_IMAGE_FULL}
 
 # PHONY
 # ==============================================================================

README.md

@@ -3,11 +3,10 @@
 [![Build Status](https://drone.cryptic.systems/api/badges/volker.raschek/network-tools/status.svg)](https://drone.cryptic.systems/volker.raschek/network-tools)
 [![Docker Pulls](https://img.shields.io/docker/pulls/volkerraschek/network-tools)](https://hub.docker.com/r/volkerraschek/network-tools)
 
-This project, hosted on
+This project contains all sources to build the container image
-[git.cryptic.systems](https://git.cryptic.systems/volker.raschek/network-tools),
+`docker.io/volkerraschek/network-tools`. The primary goal of the image is only
-contains only files to build the container image. The container image contains
+to contain some network tools to debug container based environments like docker
-network tools to analyse or monitor network communication. This can be helpful
+or kubernetes.
-in a containerized environment.
 
 ## Usage
 

docker-compose.yml

@@ -0,0 +1,4 @@
+version: "3"
+services:
+  network-tools:
+    image: volkerraschek/network-tools:latest

network-tools.yml

@@ -6,8 +6,14 @@ spec:
   containers:
   - name: network-tools
     image: docker.io/volkerraschek/network-tools:latest
-    command: [ "sleep", "3600" ]
     imagePullPolicy: Always
+    resources:
+      limits:
+        cpu: 250m
+        memory: 250Mi
+      requests:
+        cpu: 100m
+        memory: 125Mi
     securityContext:
       capabilities :
         add: