diff --git a/ENVVARS.md b/ENVVARS.md
new file mode 100644
index 0000000..44ec36b
--- /dev/null
+++ b/ENVVARS.md
@@ -0,0 +1,9 @@
+| var                              | default                 |
+|----------------------------------|-------------------------|
+| POUSSETACHES_AUTH_KEY            |                         |
+| FLASK_DEBUG                      | 0                       |
+| MICROBLOGPUB_DEBUG               | "false"                 |
+| MICROBLOGPUB_INTERNAL_HOST       | "http://localhost:5000" |
+| MICROBLOGPUB_MONGODB_HOST        | "localhost:27017"       |
+| MICROBLOGPUB_POUSSETACHES_HOST   | "http://localhost:7991" |
+| MICROBLOGPUB_WIZARD_PROJECT_NAME | "microblogpub"          |