diff --git a/Readme.md b/Readme.md
index 66c3688..b12ea10 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,7 +1,7 @@
 # drone-webdav
-*A WebDAV plugin for the drone.io project*
+A WebDAV plugin, for the drone.io project, which allows you to push build artifacts to any WebDAV server, including Nextcloud or ownCloud.
 
-The WebDAV plugin will allow pushing build artifacts to any WebDAV server, including Nextcloud or ownCloud.
+## Examples
 
 An example configuration would be as follows:
 
@@ -29,3 +29,14 @@ pipeline:
       - source: WEBDAV_PASSWORD
         target: PLUGIN_PASSWORD
 ```
+
+## Customization
+
+The following environment variables can be used for further cutomization:
+
+| Variable                    | Description                                                                                              |
+|-----------------------------|----------------------------------------------------------------------------------------------------------|
+| ``PLUGIN_PROXY_URL``        | May be used to specify a proxy (e.g. ``socks5://{ip_address}:{port}``)                                   |
+| ``PLUGIN_TIMEOUT``          | Defines a timeout (in seconds) to stop the upload after a certain time.                                  |
+| ``PLUGIN_ATTEMPTS``         | Defines how often a failed upload should be retried. Normally there is only one upload attempt.          |
+| ``PLUGIN_CUSTOM_ARGUMENTS`` | Allows for adding custom arguments.                                                                      |
\ No newline at end of file
diff --git a/push.sh b/push.sh
index 2492530..1fe127f 100755
--- a/push.sh
+++ b/push.sh
@@ -1,16 +1,64 @@
 #! /bin/sh
 
-# Use WEBDAV_USERNAME or WEBDAV_PASSWORD as default, if provided
+# Use WEBDAV_USERNAME as default, if provided.
 if [ -z "$PLUGIN_USERNAME" ] && [ ! -z "$WEBDAV_USERNAME" ]; then
+
     PLUGIN_USERNAME="$WEBDAV_USERNAME"
 fi
+
+# Use WEBDAV_PASSWORD as default, if provided.
 if [ -z "$PLUGIN_PASSWORD" ] && [ ! -z "$WEBDAV_PASSWORD" ]; then
+
     PLUGIN_PASSWORD="$WEBDAV_PASSWORD"
 fi
 
 # If username and password are provided, add auth
 if [ ! -z "$PLUGIN_USERNAME" ] && [ ! -z "$PLUGIN_PASSWORD" ]; then
-    AUTH="-u ${PLUGIN_USERNAME}:${PLUGIN_PASSWORD}"
+
+    AUTH="--user '${PLUGIN_USERNAME}':'${PLUGIN_PASSWORD}'"
 fi
 
-curl -T $PLUGIN_FILE $AUTH $PLUGIN_DESTINATION
+# Use a proxy, if one is specified
+if [ ! -z "$PLUGIN_PROXY_URL" ]; then
+
+    PLUGIN_PROXY_URL="--proxy '${PLUGIN_PROXY_URL}'"
+fi
+
+# If a timeout is specified, make use of it.
+if [ ! -z "$PLUGIN_TIMEOUT" ]; then
+
+    PLUGIN_TIMEOUT="--max-time '${PLUGIN_TIMEOUT}'"
+fi
+
+# Set PLUGIN_ATTEMPTS to one if nothing else is specified
+if [ -z "$PLUGIN_ATTEMPTS" ]; then
+
+    PLUGIN_ATTEMPTS=1
+fi
+
+# Repeat the upload as long as specified.
+while [ "${PLUGIN_ATTEMPTS}" -gt 0 ]; do
+
+    # Uploading the file
+    curl $PLUGIN_PROXY_URL $PLUGIN_TIMEOUT $PLUGIN_CUSTOM_ARGUMENTS --upload-file $PLUGIN_FILE $AUTH $PLUGIN_DESTINATION && {
+
+        # Terminate the script as soon as the upload is successful
+        echo "[INFO] Upload was successful."
+        exit 0
+
+    }
+
+    # Show messages in case uploads have failed
+    [ "$PLUGIN_ATTEMPTS" -gt 1 ] && {
+
+        echo "[INFO] Upload failed. Attempting a new upload, if possible."
+
+    }
+
+    PLUGIN_ATTEMPTS=$((PLUGIN_ATTEMPTS-1))
+
+done
+
+# Returns an error because the upload was not successful
+echo "[ERROR] All upload attempts have failed."
+exit 1