Move permission handling to entrypoint script

This change is needed to allow the use of bind mounts as they would not
be affected if permissions are set in Dockerfile.

Dockerfile

@@ -28,8 +28,13 @@ RUN cd /tmp \
 
 RUN mkdir ${APACHE_DOCUMENT_ROOT} \
     && unzip -q /tmp/rainloop-community-1.14.0.zip -d ${APACHE_DOCUMENT_ROOT} \
-    && find /rainloop -type d -exec chmod 755 {} \; \
-    && find /rainloop -type f -exec chmod 644 {} \; \
-    && chown -R www-data:www-data /rainloop
+    && apt purge -q -y unzip wget gpg \
+    && rm -rf /tmp/*
 
-EXPOSE 80
+COPY entrypoint.sh /entrypoint.sh
+
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 80
+
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Set rainloop directory permissions to catch bind mounts too
+chown -R www-data:www-data /rainloop/data
+find /rainloop -type d -exec chmod 755 {} \;
+find /rainloop -type f -exec chmod 644 {} \;
+
+# Call same entrypoint command as base image
+/usr/local/bin/apache2-foreground