Add CoreDNS as DNS backend (#1195)

* Add CoreDNS / DNS configuration

* Support get version

* add version

* add coresys

* Add more logic

* move forwareder into dns

* Setup docker inside

* add docker to env

* Add more function

* more interface

* Update hosts template

* Add DNS folder

* Fix issues

* Add more logic

* Add handling for hosts

* Fix setting

* fix lint

* Fix some issues

* Fix issue

* Run with no cache

* Fix issue on validate

* Fix bug

* Allow to jump into dev mode

* Fix permission

* Fix issue

* Add dns search

* Add watchdog

* Fix set issues

* add API description

* Add API endpoint

* Add CLI support

* Fix logs + add hostname

* Add/remove DNS entry

* Fix attribute

* Fix style

* Better shutdown

* Remove ha from network mapping

* Add more options

* Fix env shutdown

* Add support for new repair function

* Start coreDNS faster after restart

* remove options

* Fix ha fix

.devcontainer/Dockerfile

@@ -1,8 +1,8 @@
 FROM python:3.7
 
-WORKDIR /workspace
+WORKDIR /workspaces
 
-# install Node/Yarn for Frontent
+# Install Node/Yarn for Frontent
 RUN apt-get update && apt-get install -y --no-install-recommends \
         curl \
         git \
@@ -17,8 +17,24 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 ENV NVM_DIR /root/.nvm
 
+# Install docker
+# https://docs.docker.com/engine/installation/linux/docker-ce/ubuntu/
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        apt-transport-https \
+        ca-certificates \
+        curl \
+        software-properties-common \
+        gpg-agent \
+    && curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - \
+    && add-apt-repository "deb https://download.docker.com/linux/debian $(lsb_release -cs) stable" \
+    && apt-get update && apt-get install -y --no-install-recommends \
+        docker-ce \
+        docker-ce-cli \
+        containerd.io \
+    && rm -rf /var/lib/apt/lists/*
+
 # Install Python dependencies from requirements.txt if it exists
-COPY requirements.txt requirements_tests.txt /workspace/
+COPY requirements.txt requirements_tests.txt /workspaces/
 RUN pip install -r requirements.txt \
     && pip3 install -r requirements_tests.txt \
     && pip install black tox

.devcontainer/devcontainer.json

@@ -3,9 +3,11 @@
 	"name": "Hass.io dev",
 	"context": "..",
 	"dockerFile": "Dockerfile",
+	"appPort": "9123:8123",
 	"runArgs": [
 		"-e",
-		"GIT_EDTIOR='code --wait'"
+		"GIT_EDITOR='code --wait'",
+		"--privileged"
 	],
 	"extensions": [
 		"ms-python.python"
@@ -24,4 +26,4 @@
 		"editor.formatOnType": true,
 		"files.trimTrailingWhitespace": true
 	}
-}
+}