add favicon.ico and nginx config for doc, fix Dockerfile, remove debug from Dockerfile

Dockerfile

@@ -11,14 +11,11 @@ RUN pip install  -r /requirements-docs.txt
 COPY ./  /botogram
 RUN cd /botogram && invoke docs && cd .netlify && make 
 
-RUN apk add tree
-RUN tree /botogram/.netlify/build
-
 # Image final
 FROM nginx:latest
-ENV botogram_version dev
+ARG botogram_version=dev
+ENV env_botogram_version=$botogram_version
 RUN rm /etc/nginx/conf.d/default.conf
-ADD https://gist.githubusercontent.com/matteb99/4ab0dffc07558273401220f3e0426f5a/raw/7fc18180327f57b6ab8bbbad9f629a0e5955a4a1/gistfile1.txt  /etc/nginx/conf.d/default.conf
-RUN sed 's/RELEASE/'"$botogram_version"'/g' -i /etc/nginx/conf.d/default.conf 
+COPY /nginx-doc.conf  /etc/nginx/conf.d/default.conf
+RUN sed 's/RELEASE/'"$env_botogram_version"'/g' -i /etc/nginx/conf.d/default.conf
 COPY --from=BUILDER /botogram/.netlify/build/ ./botogram
-

nginx-doc.conf

@@ -0,0 +1,29 @@
+server {
+	index index.php index.html;
+	listen 80 default_server;
+	root /botogram;
+	error_log  /var/log/nginx/error.log;
+	access_log /var/log/nginx/access.log;
+	keepalive_timeout 70;
+	location = /favicon.ico {
+		alias /botogram/favicon.ico;
+	}
+	location / {
+		index index.php index.html index.htm;
+		autoindex on;
+		autoindex_exact_size off;
+		autoindex_localtime on;
+	}
+
+	location = /docs {
+		return 301 /docs/RELEASE/;
+	}
+
+	error_page 404 /404.html;
+
+	location = /404.html {
+			root /botogram/;
+			internal;
+	}
+}
+