diff --git a/backend/.env.example b/backend/.env.example
index c0c68b1c..50901dfd 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1 +1,20 @@
-PORT=3000
\ No newline at end of file
+DWENGO_PORT=3000
+DWENGO_DB_HOST=domain-or-ip-of-database
+DWENGO_DB_PORT=5432
+
+# Change this to the actual credentials of the user Dwengo should use in the backend
+DWENGO_DB_USERNAME=postgres
+DWENGO_DB_PASSWORD=postgres
+
+# Set this to true when the database scheme needs to be updated. In that case, take a backup first.
+DWENGO_DB_UPDATE=false
+
+# Data for the identity provider via which the students authenticate.
+DWENGO_AUTH_STUDENT_URL=http://localhost:7080/realms/student
+DWENGO_AUTH_STUDENT_CLIENT_ID=dwengo
+DWENGO_AUTH_STUDENT_JWKS_ENDPOINT=http://localhost:7080/realms/student/protocol/openid-connect/certs
+
+# Data for the identity provider via which the teachers authenticate.
+DWENGO_AUTH_TEACHER_URL=http://localhost:7080/realms/teacher
+DWENGO_AUTH_TEACHER_CLIENT_ID=dwengo
+DWENGO_AUTH_TEACHER_JWKS_ENDPOINT=http://localhost:7080/realms/teacher/protocol/openid-connect/certs