first commit :)

.devcontainer/.zshrc

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+# If you come from bash you might have to change your $PATH.
+# export PATH=$HOME/bin:$HOME/.local/bin:/usr/local/bin:$PATH
+
+# Path to your Oh My Zsh installation.
+export ZSH="$HOME/.oh-my-zsh"
+
+# Set name of the theme to load --- if set to "random", it will
+# load a random theme each time Oh My Zsh is loaded, in which case,
+# to know which specific one was loaded, run: echo $RANDOM_THEME
+# See https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
+ZSH_THEME="gnzh"
+
+# Set list of themes to pick from when loading at random
+# Setting this variable when ZSH_THEME="devcontainers"
+# a theme from this variable instead of looking in $ZSH/themes/
+# If set to an empty array, this variable will have no effect.
+# ZSH_THEME_RANDOM_CANDIDATES=( "robbyrussell" "agnoster" )
+
+# Uncomment the following line to use case-sensitive completion.
+# CASE_SENSITIVE="true"
+
+# Uncomment the following line to use hyphen-insensitive completion.
+# Case-sensitive completion must be off. _ and - will be interchangeable.
+# HYPHEN_INSENSITIVE="true"
+
+# Uncomment one of the following lines to change the auto-update behavior
+# zstyle ':omz:update' mode disabled  # disable automatic updates
+# zstyle ':omz:update' mode auto      # update automatically without asking
+# zstyle ':omz:update' mode reminder  # just remind me to update when it's time
+
+# Uncomment the following line to change how often to auto-update (in days).
+# zstyle ':omz:update' frequency 13
+
+# Uncomment the following line if pasting URLs and other text is messed up.
+# DISABLE_MAGIC_FUNCTIONS="true"
+
+# Uncomment the following line to disable colors in ls.
+# DISABLE_LS_COLORS="true"
+
+# Uncomment the following line to disable auto-setting terminal title.
+# DISABLE_AUTO_TITLE="true"
+
+# Uncomment the following line to enable command auto-correction.
+# ENABLE_CORRECTION="true"
+
+# Uncomment the following line to display red dots whilst waiting for completion.
+# You can also set it to another string to have that shown instead of the default red dots.
+# e.g. COMPLETION_WAITING_DOTS="%F{yellow}waiting...%f"
+# Caution: this setting can cause issues with multiline prompts in zsh < 5.7.1 (see #5765)
+# COMPLETION_WAITING_DOTS="true"
+
+# Uncomment the following line if you want to disable marking untracked files
+# under VCS as dirty. This makes repository status check for large repositories
+# much, much faster.
+# DISABLE_UNTRACKED_FILES_DIRTY="true"
+
+# Uncomment the following line if you want to change the command execution time
+# stamp shown in the history command output.
+# You can set one of the optional three formats:
+# "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
+# or set a custom format using the strftime function format specifications,
+# see 'man strftime' for details.
+# HIST_STAMPS="mm/dd/yyyy"
+
+# Would you like to use another custom folder than $ZSH/custom?
+# ZSH_CUSTOM=/path/to/new-custom-folder
+
+# Which plugins would you like to load?
+# Standard plugins can be found in $ZSH/plugins/
+# Custom plugins may be added to $ZSH_CUSTOM/plugins/
+# Example format: plugins=(rails git textmate ruby lighthouse)
+# Add wisely, as too many plugins slow down shell startup.
+plugins=(git timer web-search ssh kubectl helm colorize zsh-autosuggestions rclone ansible)
+ZSH_COLORIZE_TOOL=chroma
+
+source $ZSH/oh-my-zsh.sh
+
+# User configuration
+
+# export MANPATH="/usr/local/man:$MANPATH"
+
+# You may need to manually set your language environment
+# export LANG=en_US.UTF-8
+
+# Preferred editor for local and remote sessions
+# if [[ -n $SSH_CONNECTION ]]; then
+#   export EDITOR='vim'
+# else
+#   export EDITOR='nvim'
+# fi
+
+# Compilation flags
+# export ARCHFLAGS="-arch $(uname -m)"
+
+# Set personal aliases, overriding those provided by Oh My Zsh libs,
+# plugins, and themes. Aliases can be placed here, though Oh My Zsh
+# users are encouraged to define aliases within a top-level file in
+# the $ZSH_CUSTOM folder, with .zsh extension. Examples:
+# - $ZSH_CUSTOM/aliases.zsh
+# - $ZSH_CUSTOM/macos.zsh
+# For a full list of active aliases, run `alias`.
+#
+# Example aliases
+# alias zshconfig="mate ~/.zshrc"
+# alias ohmyzsh="mate ~/.oh-my-zsh"
+DISABLE_AUTO_UPDATE=true
+DISABLE_UPDATE_PROMPT=true
+
+export PATH=$PATH:/home/vscode/lib

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ubuntu
+{
+	"name": "cloudflare-updateip-dev",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/base:jammy",
+	"features": {
+		"ghcr.io/devcontainers/features/docker-outside-of-docker":  {},
+	},
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+	// Configure tool-specific properties.
+	// "customizations": {},
+	
+	"mounts": [
+		"source=${localWorkspaceFolder}/.devcontainer/.zshrc,target=/home/vscode/.zshrc,type=bind",
+		"source=${localEnv:HOME}/.gitconfig,target=/home/vscode/.gitconfig,type=bind,consistency=cached",
+  		"source=${localEnv:HOME}/.ssh,target=/home/vscode/.ssh,type=bind,consistency=cached"
+	],
+	"postCreateCommand": "bash .devcontainer/scripts/postCreate.sh",
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"stateful.runme",
+				"yzhang.markdown-all-in-one",
+				"davidanson.vscode-markdownlint",
+				"eamodio.gitlens",
+				"m4ns0ur.base64"
+			],
+			"settings": {
+				"terminal.integrated.defaultProfile.linux": "zsh"
+			}
+		}
+	}
+}

.devcontainer/scripts/postCreate.sh

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+#setup chroma for zsh colorize
+#chmod +x /home/vscode/lib/chroma
+
+
+

.gitea/workflows/docker-image-deploy.yaml

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+on: 
+  push
+jobs:
+ 
+  build-docker-image:
+    runs-on: ubuntu-latest
+ 
+    steps:
+ 
+      - name: Checkout code
+        uses: actions/checkout@v2
+   
+      - name: Log in to git.limbosolutions.com docker registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.limbosolutions.com
+          username: ${{ secrets.GITLIMBO_DOCKER_REGISTRY_USERNAME }}
+          password: ${{ secrets.GITLIMBO_DOCKER_REGISTRY_PASSWORD }}
+
+      - name: Build and push Docker images
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{gitea.workspace}}
+          file: ${{gitea.workspace}}/Dockerfile
+          push: true
+          tags: git.limbosolutions.com/mylimbo/cloudflare-update-dns:latest

.gitignore

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+.env

DockerFile

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+# Start from Alpine base image
+FROM alpine:latest
+
+# Install bash and curl
+RUN apk update && apk add --no-cache curl bash
+COPY src /app/scripts
+RUN chmod +x /app/scripts -R
+
+ENV LOOP=60
+
+# Set bash as the default shell
+CMD ["/bin/sh","-c", "/app/scripts/update-ip.sh"]

README.md

@@ -1,2 +1,24 @@
-# cloudflare-updatedns
+# cloudflare-updateip
 
+## run
+
+``` bash
+# requires .env file check script for required variables 
+docker run --name mylimbo-cloudflare-updatedns --env-file ./.env git.limbosolutions.com/mylimbo/cloudflare-updatedns:latest 
+```
+
+## execute direcly without docker
+
+```bash
+# requires .env file check script for required variables 
+set -a
+source .env
+set +a
+bash -c ./src/update-ip.sh
+```
+
+## build local image
+
+``` bash
+docker build -f DockerFile -t git.limbosolutions.com/mylimbo/cloudflare-updatedns:latest .
+```

src/update-ip.sh

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+#!/bin/bash
+
+# environments variables:
+# CLOUDFLARE_API_TOKEN=CLoudflare api token 
+# CLOUDFLARE_ZONE_ID=cloudflare zone id
+# CLOUDFLARE_RECORD_ID=cloudflare zone id
+# SLEEP=60s
+
+# script source:  https://medium.com/@adrian.punga_29809/dynamic-dns-with-cloudflare-761c1efcd84
+
+LAST_IP=""
+MY_IP=""
+
+
+: "${CLOUDFLARE_API_TOKEN:?Environment variable CLOUDFLARE_API_TOKEN is not set}"
+: "${CLOUDFLARE_ZONE_ID:?Environment variable CLOUDFLARE_ZONE_ID is not set}"
+: "${CLOUDFLARE_RECORD_ID:?Environment variable CLOUDFLARE_RECORD_ID is not set}"
+
+updateCloudFlare() {
+    #echo "curl -X PATCH \"https://api.cloudflare.com/client/v4/zones/${CLOUDFLARE_ZONE_ID}/dns_records/${CLOUDFLARE_RECORD_ID}\""
+    #echo "--data \"{\"content\":\"${MY_IP}\"}\""
+    #echo "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}"
+    #--silent 
+    curl --silent -X PATCH "https://api.cloudflare.com/client/v4/zones/${CLOUDFLARE_ZONE_ID}/dns_records/${CLOUDFLARE_RECORD_ID}" \
+        -H "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}" \
+        -H "Content-Type: application/json" \
+        --data "{\"content\":\"${MY_IP}\"}" ; echo #to end the line on output
+   }
+
+
+checkIp() {
+    MY_IP="$(curl --silent ifconfig.me)"
+    if [ "${MY_IP}" != "${LAST_IP}" ]; then
+        echo "info: Public IP changed. From ${LAST_IP} to ${MY_IP}".
+        updateCloudFlare
+        LAST_IP=${MY_IP}
+    else
+        echo "info: Public IP ${LAST_IP} remained the same."
+    fi
+}
+
+
+if [ -n "${SLEEP}" ]; then
+    while :
+    do
+        checkIp
+        sleep ${SLEEP}
+    done
+
+else
+    checkIp
+fi