diff --git a/Dockerfile b/Dockerfile
index 6a5ec82..e48dc5b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,24 +18,24 @@ RUN npm run build
 WORKDIR ../
 
 #ENV PORT=8080
-ENV DATA_DIR=data
-
-ENV TYPEORM_CONNECTION=mariadb
 #ENV TYPEORM_HOST=localhost
 #ENV TYPEORM_USERNAME=root
 #ENV TYPEORM_PASSWORD=admin
 #ENV TYPEORM_DATABASE=test
 #ENV TYPEORM_PORT=3000
-ENV TYPEORM_SYNCHRONIZE=false
-ENV TYPEORM_LOGGING=false
-ENV TYPEORM_ENTITIES=src/entity/**/*.ts
-ENV TYPEORM_ENTITIES_DIR=src/entity
-ENV TYPEORM_MIGRATIONS=src/migration/**/*.ts
-ENV TYPEORM_MIGRATIONS_DIR=src/migration
-ENV TYPEORM_SUBSCRIBERS=src/subscriber/**/*.ts
-ENV TYPEORM_SUBSCRIBERS_DIR=src/subscriber
-ENV TYPEORM_DRIVER_EXTRA='{"charset": "utf8mb4"}'
-ENV NODE_ENV=production
+
+ENV DATA_DIR=data\
+    TYPEORM_CONNECTION=mariadb\
+    TYPEORM_SYNCHRONIZE=false\
+    TYPEORM_LOGGING=false\
+    TYPEORM_ENTITIES=src/entity/**/*.ts\
+    TYPEORM_ENTITIES_DIR=src/entity\
+    TYPEORM_MIGRATIONS=src/migration/**/*.ts\
+    TYPEORM_MIGRATIONS_DIR=src/migration\
+    TYPEORM_SUBSCRIBERS=src/subscriber/**/*.ts\
+    TYPEORM_SUBSCRIBERS_DIR=src/subscriber\
+    TYPEORM_DRIVER_EXTRA='{"charset": "utf8mb4"}'\
+    NODE_ENV=production
 
 #EXPOSE 8080
 
diff --git a/README.md b/README.md
index ad2f8cb..d7fb5ab 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ docker-compose example in `dockercomposeexample` folder
 
 * `HTTPS` (`"yes"`/`"no"`) - whether the server enforces HTTPS or not
 
-* `SIGNUP_ALLOWED` (`"yes"`/`"no"`) - whether signups are allowed or not, persistent
+* `SIGNUP_ALLOWED` (`"yes"`/`"no"`) - whether signups are allowed or not, persistent (but the first signup is always allowed)
 
 * `API_ROOT`