diff --git a/Containerfile b/Containerfile
index 98fec19..358efe2 100644
--- a/Containerfile
+++ b/Containerfile
@@ -2,58 +2,73 @@ FROM lsiobase/alpine:3.17 as base
 
 WORKDIR /usr/src/app
 
-COPY --chown=abc:abc . .
+
+
+COPY --chown=abc:abc ./requirements.txt ./requirements.txt
 
 # based on https://github.com/linuxserver/docker-pyload-ng/blob/main/Dockerfile
-# Everything is run in one command so we can purge all build dependencies and cache in the same layer after maloja is installed
-#
-# -- it may be possible to decrease image size slightly by using build stage and copying all site-packages to runtime stage
-# but the image is already pretty small (117mb uncompressed, ~40mb compressed)
+# everything but the app installation is run in one command so we can purge
+# all build dependencies and cache in the same layer
+# it may be possible to decrease image size slightly by using build stage and
+# copying all site-packages to runtime stage but the image is already pretty small
 RUN \
-    echo "**** install build packages ****" && \
+  echo "**** install build packages ****" && \
 	apk add --no-cache --virtual=build-deps \
-	gcc \
-	g++ \
-	python3-dev \
-	libxml2-dev \
-	libxslt-dev \
-	libffi-dev \
-	libc-dev \
-	py3-pip \
-	linux-headers && \
+		gcc \
+		g++ \
+		python3-dev \
+		libxml2-dev \
+		libxslt-dev \
+		libffi-dev \
+		libc-dev \
+		py3-pip \
+		linux-headers && \
 	echo "**** install runtime packages ****" && \
 	apk add --no-cache \
-	python3 \
-	py3-lxml \
-	tzdata && \
+		python3 \
+		py3-lxml \
+		tzdata && \
 	echo "**** install pip dependencies ****" && \
 	python3 -m ensurepip && \
-    pip3 install -U --no-cache-dir \
-        pip \
-        wheel && \
-    echo "**** install maloja requirements ****" && \
-    pip3 install --no-cache-dir -r requirements.txt && \
-    echo "**** install maloja ****" && \
-    pip3 install /usr/src/app && \
-    echo "**** cleanup ****" && \
-    apk del --purge \
-        build-deps && \
-    rm -rf \
-        /tmp/* \
-        ${HOME}/.cache
+  pip3 install -U --no-cache-dir \
+	  pip \
+	  wheel && \
+  echo "**** install maloja requirements ****" && \
+  pip3 install --no-cache-dir -r requirements.txt && \
+	echo "**** cleanup ****" && \
+	apk del --purge \
+		build-deps && \
+	rm -rf \
+		/tmp/* \
+		${HOME}/.cache
+
+# actual installation in extra layer so we can cache the stuff above
+
+COPY --chown=abc:abc . .
+
+RUN \
+	echo "**** install maloja ****" && \
+	apk add --no-cache --virtual=install-deps \
+	  py3-pip && \
+	pip3 install /usr/src/app && \
+	apk del --purge \
+		install-deps && \
+	rm -rf \
+		/tmp/* \
+		${HOME}/.cache
+
+
 
 COPY container/root/ /
 
-# Docker-specific configuration
-# defaulting to IPv4 is no longer necessary (default host is dual stack)
-ENV MALOJA_SKIP_SETUP=yes
-ENV PYTHONUNBUFFERED=1
-
-# Prevents breaking change for previous container that ran maloja as root
-# which meant MALOJA_DATA_DIRECTORY was created by and owned by root (UID 0)
-#
-# On linux hosts (non-podman rootless) these variables should be set to the host user that should own the host folder bound to MALOJA_DATA_DIRECTORY
-ENV PUID=0
-ENV PGID=0
+ENV	\
+	# Docker-specific configuration
+	MALOJA_SKIP_SETUP=yes \
+	PYTHONUNBUFFERED=1 \
+	# Prevents breaking change for previous container that ran maloja as root
+	# On linux hosts (non-podman rootless) these variables should be set to the
+	# host user that should own the host folder bound to MALOJA_DATA_DIRECTORY
+	PUID=0 \
+	PGID=0
 
 EXPOSE 42010