first draft booting with strapi, mongo, nginx

.gitattributes

@@ -0,0 +1,13 @@
+# https://help.github.com/articles/dealing-with-line-endings/
+
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+Dockerfile text
+*.yml text
+*.md text
+.dockerignore text
+
+# Shell scripts should always use LF line endings, otherwise the Docker base image might cause problems
+*.sh text eol=lf
+*.js text eol=lf