add docker build

docker/setup-docker-compose.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+docker run 0x2620/pandora docker-compose.yml > docker-compose.yml
+if [ ! -e .env ]; then
+    docker run 0x2620/pandora .env > .env
+    echo .env >> .gitignore
+fi
+if [ ! -e config.jsonc ]; then
+    docker run 0x2620/pandora config.jsonc > config.jsonc
+fi
+cat > README.md << EOF
+pan.do/ra docker instance
+
+this folder was created with
+
+    docker run 0x2620/pandora setup | sh
+
+To start pan.do/ra adjust the files in this folder:
+
+ - add email configuration to .env
+ - adjust config.jsonc to customize pan.do/ra
+ - add local django settings to settings.py
+
+and to get started run this:
+
+    docker-compose up -d
+
+To update pan.do/ra run:
+
+    docker-compose run pandora update.py
+
+EOF
+touch __init__.py