diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 0f58f2e49..2c3e585ae 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -25,14 +25,12 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
 --mount=type=cache,target=/var/lib/apt,sharing=locked \
 apt-get -y update && apt-get -y install texlive-latex-recommended texlive-luatex texlive-plain-generic texlive-lang-german texlive-lang-english
 
+ENV STACK_ROOT="/.stack"
+RUN stack install yesod-bin
+RUN stack install hpack
+
 ARG PROJECT_DIR=/fradrive
 ENV PROJECT_DIR=${PROJECT_DIR}
 # RUN mkdir -p "${PROJECT_DIR}"; chmod -R 777 "${PROJECT_DIR}"
 WORKDIR ${PROJECT_DIR}
-ENV HOME=${PROJECT_DIR}
-ENV STACK_ROOT="${PROJECT_DIR}/.stack"
-
-RUN if [ ! -z "${IN_CI}" ]; then \
-  stack install yesod-bin; \
-  stack install hpack; \
-fi
\ No newline at end of file
+ENV HOME=${PROJECT_DIR}
\ No newline at end of file