improve env

Author: marc-aurele-besner

.env

@@ -0,0 +1,7 @@
+DB_USER=postgres
+DB_PASSWORD=<postgress-admin-secret>
+DB_PORT=5432
+HASURA_GRAPHQL_ADMIN_SECRET=<hasura-admin-secret>
+
+DATABASE_URL="ecto://postgres:postgres@db:5432/fileonchain?ssl=false"
+SECRET_KEY_BAS=<64-bytes-secret>

.example.env

@@ -45,4 +45,9 @@ dist
 /db/node_modules
 
 # SSH Keys
-.ssh/
+.ssh/
+
+# Environment variables
+.env
+.staging.env
+.prod.env