diff --git a/README.md b/README.md
new file mode 100644
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+PWSS
+
+Password static serve, a cookies based static file web server, with
+different password to every first level subfolder.
+
+See the env-example for env variables.
+Run service-up to run the Docker service
+
+
diff --git a/env-example b/env-example
index a0fb837..072330a 100644
--- a/env-example
+++ b/env-example
@@ -1,10 +1,20 @@
+# Expose this port outside
 EXPOSE=8088
+# User ID of files ownership
 UUID=1000
+# How long a password is valid
 SESSION_EXPIRY=1800
+# Secret key to encrypt cookies (CHANGE!)
 SECRET_KEY=2f6aa45dfcfc37a50537f0b05af6452c
+# Config files location (/data hardcoded in docker-compose.yaml)
 CONFIG_FOLDER=/data/configs
+# Served files location (/data hardcoded in docker-compose.yaml)
 STATIC_FOLDER=/data/static
-DATABASE=/dev/shm/serve.db
+# Password login sessions database, in memory for speed, /data/configs/sessions.db for keeping over restarts
+DATABASE=/dev/shm/sessions.db
+# Number of processes serving files
 WORKERS=6
+# Timezone
 TZ=Europe/Helsinki
+# Limiter rule, as serving over flask is not optimal..
 LIMITER_SHARE=200 per 5 seconds