diff --git a/.gitignore b/.gitignore
index 4c49bd7..8dfd6db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .env
+diaspora.docker
diff --git a/Dockerfile.diaspora b/Dockerfile.diaspora
index 3322c94..806cabe 100644
--- a/Dockerfile.diaspora
+++ b/Dockerfile.diaspora
@@ -1,4 +1,4 @@
-FROM debian:stretch as base
+FROM ruby:2.4.4-slim-stretch
 
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get update \
@@ -6,6 +6,7 @@ RUN apt-get update \
         build-essential \
         libssl-dev \
         libcurl4-openssl-dev \
+        libidn11-dev \
         libxml2-dev \
         libxslt-dev \
         imagemagick \
@@ -16,20 +17,6 @@ RUN apt-get update \
         libpq-dev \
         cmake \
         nodejs \
-        # Packages for RVM
-        gawk \
-        libyaml-dev \
-        libsqlite3-dev \
-        sqlite3 \
-        autoconf \
-        libgmp-dev \
-        libgdbm-dev \
-        libncurses5-dev \
-        automake \
-        bison \
-        libffi-dev \
-        libgmp-dev \
-        libreadline-dev \
     && rm -rf /var/lib/apt/lists/*
 
 ARG EXT_UID
@@ -38,26 +25,15 @@ RUN addgroup --system --gid ${EXT_GID} diaspora
 RUN adduser --system --uid ${EXT_UID} --gid ${EXT_GID} diaspora
 
 USER diaspora
-RUN mkdir /home/diaspora/diaspora
-WORKDIR /home/diaspora/diaspora
-
-# Install RVM + Ruby
-ENV LANG=C.UTF8
-
-RUN curl -sSL https://rvm.io/mpapis.asc | gpg --import - \
-    && curl -L https://s.diaspora.software/1t | bash \
-    && rm -rf ~/.gnupg
-SHELL ["/bin/bash", "--login", "-c"]
-
-RUN rvm install 2.4
-
-# Install bundler
-RUN echo diaspora > .ruby-gemset \
-    && echo 2.4 > .ruby-version \
-    && touch Gemfile \
-    && cd ../diaspora \
-    && gem install bundler \
-    && rm .ruby-* Gemfile
+ENV DIASPORA_HOME /home/diaspora/diaspora
+RUN mkdir $DIASPORA_HOME
+WORKDIR $DIASPORA_HOME
+
+ENV GEM_HOME $DIASPORA_HOME/vendor/bundle
+ENV BUNDLE_PATH="$GEM_HOME" \
+        BUNDLE_BIN="$GEM_HOME/bin" \
+        BUNDLE_APP_CONFIG="$DIASPORA_HOME/.bundle"
+ENV PATH $BUNDLE_BIN:$PATH
 
 # Finish setup
 COPY ./start.sh ../start.sh
diff --git a/README.md b/README.md
index 31d77e3..b18cd2b 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,4 @@ This image is intended exclusively for development.
 
 - Control migrations and bundle installing more intuitively
 - Create external script for controlling/handling the setup
+- RVM env with proper commands (`rvm gemset create 2.4@diaspora && rvm ruby-2.4@diaspora do gem install bundler`) instead of building a "skeleton" by hand (see also https://github.com/SuperTux88/diaspora-formula/blob/master/diaspora/install.sls)
diff --git a/start.sh b/start.sh
index b46356e..d34f6c4 100755
--- a/start.sh
+++ b/start.sh
@@ -2,7 +2,6 @@
 
 action_install_gems() {
   script/configure_bundler
-  bin/bundle config --local path vendor/bundle
   bin/bundle install --full-index
 }