diff --git a/Dockerfile b/Dockerfile
index 1c0ca84..a81cb42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,9 +15,9 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
             openssh-server \
                 && \
-    rm -rf /var/lib/apt/lists/* \
-    mkdir -p /var/lib/postgresql/.ssh \
-    chmod 700 /var/lib/postgresql/.ssh \
+    rm -rf /var/lib/apt/lists/* && \
+    mkdir -p /var/lib/postgresql/.ssh && \
+    chmod 700 /var/lib/postgresql/.ssh && \
     chown postgres: /var/lib/postgresql/.ssh
 
 COPY --chmod=644 --chown=postgres profile /var/lib/postgresql/.profile