diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 000000000..cf3913aa0
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+.git
+.gitignore
+**/.DS_Store
diff --git a/.gitignore b/.gitignore
index 163010acf..e72b0ac29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-.DS_Store
+*.DS_Store
 
 !Build/
 .last_cover_stats
diff --git a/Dockerfile b/Dockerfile
index 1707d638a..c0304471e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,31 @@
-FROM alpine:3.4
-MAINTAINER Mojolicious
+FROM ubuntu:18.04
+MAINTAINER Rederly
 
 WORKDIR /usr/app
 
-COPY cpanfile .
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends --no-install-suggests \
+    curl \
+  	dvipng \
+  	gcc \
+    make \
+    libgd-perl \
+    cpanminus \
+    libstring-shellquote-perl \
+    libproc-processtable-perl \
+    libdatetime-perl \
+    libdbi-perl \
+    libtie-ixhash-perl \
+    libuuid-tiny-perl \
+    libjson-perl \
+    liblocale-maketext-lexicon-perl \
+    libclass-accessor-perl \
+    libcgi-pm-perl \
+    && apt-get clean \
+    && rm -fr /var/lib/apt/lists/* /tmp/*
 
-RUN apk update && \
-  apk add perl perl-io-socket-ssl perl-dbd-pg perl-dev g++ make wget curl && \
-  curl -L https://cpanmin.us | perl - App::cpanminus && \
-  cpanm --installdeps . -M https://cpan.metacpan.org && \
-  apk del perl-dev g++ make wget curl && \
-  rm -rf /root/.cpanm/* /usr/local/share/man/*
+RUN cpanm install Mojolicious Date::Format \
+    && rm -fr ./cpanm /root/.cpanm /tmp/*
 
 COPY . .
 
diff --git a/cpanfile b/cpanfile
deleted file mode 100644
index 09671ecb2..000000000
--- a/cpanfile
+++ /dev/null
@@ -1 +0,0 @@
-requires "Mojolicious";
diff --git a/lib/.DS_Store b/lib/.DS_Store
deleted file mode 100644
index 4f2ae90be..000000000
Binary files a/lib/.DS_Store and /dev/null differ
diff --git a/lib/LibraryApp.pm b/lib/RenderApp.pm
similarity index 100%
rename from lib/LibraryApp.pm
rename to lib/RenderApp.pm
diff --git a/lib/WeBWorK/.DS_Store b/lib/WeBWorK/.DS_Store
deleted file mode 100644
index 62a5338e7..000000000
Binary files a/lib/WeBWorK/.DS_Store and /dev/null differ
diff --git a/lib/WeBWorK/lib/.DS_Store b/lib/WeBWorK/lib/.DS_Store
deleted file mode 100644
index b8267576a..000000000
Binary files a/lib/WeBWorK/lib/.DS_Store and /dev/null differ
diff --git a/lib/WeBWorK/lib/WeBWorK/.DS_Store b/lib/WeBWorK/lib/WeBWorK/.DS_Store
deleted file mode 100644
index eaae0d1c1..000000000
Binary files a/lib/WeBWorK/lib/WeBWorK/.DS_Store and /dev/null differ
diff --git a/library_app.conf b/render_app.conf
similarity index 100%
rename from library_app.conf
rename to render_app.conf