merged reverse proxy role, added docu

README.md

@@ -0,0 +1,66 @@
+# Nginx
+
+## Supported
+
+Nginx: 1.10.3
+Debian: Stretch
+
+Other versions might work but are not tested.
+
+## Parameters and defaults
+
+DNS resolver have to be defined in the `resolver` array. Defaults: 
+
+```
+resolver:
+  - 8.8.8.8
+  - 8.8.4.4
+```
+
+All other configuration is to be placed inside the `nginx` dict.
+
+```
+# name: *upstreamconfig*, see below for definition
+upstreams: {}
+
+# name: *vhostconfig*, see below for definition
+vhosts: {}
+
+# force all traffic on ssl, except letsencrypt challenges
+force_ssl: True
+
+```
+
+** upstreamconfig **:
+```
+# array of upstream servers
+server: 
+  -
+    # can be "unix:/path/to/socket" or "https://foo.bar" or "http://foo.bar"
+    address: *mandatory*
+
+    # monitor dns for changes
+    resolve: true
+```
+
+** vhosts **:
+```
+# Array of server names, example: foo.bar
+servername: []
+
+# set this server as default
+default_server: False
+
+listen:
+	ssl: True
+	ssl_port: 443
+	nossl: False
+	nossl_port: 80
+
+# Example: https://upstream; If set to none no reverse proxy will be set up.
+backend: None
+
+# Set ssl certs to letsencrypt paths and enable letsencrypt for this vhost
+letsencrypt: True
+```
+