diff --git a/Dockerfile b/Dockerfile
index 1eeaa22..5cf7965 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,14 +7,14 @@ RUN apk add --update tini
 ENTRYPOINT [ "/sbin/tini", "--" ]
 
 RUN addgroup -S $USERNAME && adduser -S $USERNAME -G $USERNAME
-RUN docker-php-ext-install pcntl
+#RUN docker-php-ext-install pcntl
 
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 RUN printf "[PHP]\ndate.timezone = \"%s\"\n" $TZ > /usr/local/etc/php/conf.d/tzone.ini
 
 WORKDIR /application
 COPY . /application
-RUN chown app:app /application/data
+RUN chown app:app /application/var
 
 USER $USERNAME
 
diff --git a/README.md b/README.md
index a816c29..6b83698 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,9 @@ Content-Type: application/json
 ]
 ```
 
+> [!NOTE]
+> The only required key is `value`, and as there can only be one value without validity it will overwrite any existing value.
+
 ### Retrieve current values
 
 ```json
@@ -87,17 +90,16 @@ GET /businessinfo/all
 Query params:
 
 * `only=` - comma-separated list of keys to match
- 
 
 ### Delete value
 
-Delete by posting an array of IDs to delete.
+Delete by posting an array of value IDs and keys to delete.
 
 ```json
 POST /businessinfo/delete
 Content-Type: application/json
 
-[ 19 ]
+[ 19, "some.key" ]
 ```
 
 ### Update a value
@@ -120,3 +122,10 @@ Content-Type: application/json
 }
 ```
 
+### Delete a colleciton
+
+Update by including an existing id with the set request.
+
+```json
+POST /businessinfo/purge
+```