use less run

Signed-off-by: Roger Sikorski <roger@sikorski.cloud>

.hadolint.yaml

@@ -0,0 +1,2 @@
+ignored:
+  - DL3008 # no need to pin versions

Dockerfile

@@ -1,10 +1,11 @@
 # https://hub.docker.com/_/monica
 FROM monica:4
 
-# Use the default production configuration
-RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
-# increase php upload limit
-RUN sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 50M/' "$PHP_INI_DIR/php.ini"
+RUN \
+  # Use the default production configuration
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" && \
+  # increase php upload limit
+  sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 50M/' "$PHP_INI_DIR/php.ini"
 
 # supervisord dependencies
 RUN apt-get update && \