diff --git a/Dockerfile b/Dockerfile
index 71d22a1..f9c238a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,12 @@ COPY . /home/lutim
 RUN chmod -R g+rwX /home/lutim
 
 WORKDIR /home/lutim
-RUN /bin/sh /home/lutim/docker/build.sh
+RUN apk --update add perl libpq perl-crypt-rijndael perl-io-socket-ssl perl-net-ssleay su-exec shared-mime-info libressl imagemagick imagemagick-perlmagick \
+ && apk --update add --virtual .build-deps build-base perl-utils perl-dev postgresql-dev vim wget zlib-dev \
+ && cpan notest Carton Config::FromHash \
+ && carton install --without test \
+ && apk del .build-deps \
+ && rm -rf /var/cache/apk/* /root/.cpan*
 
 USER lutim
 EXPOSE 8080
diff --git a/docker/build.sh b/docker/build.sh
deleted file mode 100755
index b6f83ad..0000000
--- a/docker/build.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env sh
-
-set -eu
-
-apk --update add perl libpq perl-crypt-rijndael perl-io-socket-ssl perl-net-ssleay su-exec shared-mime-info libressl imagemagick imagemagick-perlmagick
-apk --update add --virtual .build-deps build-base perl-utils perl-dev postgresql-dev vim wget zlib-dev
-
-cpan notest Carton Config::FromHash
-carton install --without test
-
-# Remove dev env
-apk del .build-deps
-rm -rf /var/cache/apk/* /root/.cpan*
\ No newline at end of file