diff --git a/Dockerfile b/Dockerfile
index 6b6604e..35a167e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,24 +1,19 @@
-FROM ruby:2.4.6-slim-buster as main-image
-MAINTAINER Sebastian Silva <sebastian@fuentelibre.org>
+# Debian base
+FROM debian:buster
 
-FROM python:2.7 as gdal-builder
+MAINTAINER Sebastian Silva <sebastian@fuentelibre.org>
 
 # Install the application.
 RUN apt-get update -qq && \
-    apt-get install -y --no-install-recommends \
-        gdal-bin \
-        python-gdal
-
-FROM main-image
-
-COPY --from=gdal-builder /usr/share /usr/share
-COPY --from=gdal-builder /usr/bin /usr/bin
-
-RUN apt-get update -qq && \
-    apt-get install -y --no-install-recommends \
-        build-essential \
-        git \
-        imagemagick
+    apt-get install -y \
+                    gdal-bin \
+                    ruby \
+                    imagemagick \
+                    ruby-sinatra \
+                    ruby-kramdown \
+                    ruby-nokogiri \
+                    bundler \
+                    python-gdal
 
 # Configure ImageMagick
 COPY ./nolimit.xml /etc/ImageMagick-6/policy.xml
diff --git a/Gemfile b/Gemfile
index 2255dc8..ee391f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,10 +13,9 @@
 # limitations under the License.
 
 
-gem "sinatra", "2.0.8.1"
+gem "sinatra"
 gem "sinatra-cors"
 gem "nokogiri"
-gem "pandoc-ruby"
 
 gem "fog-google"
 gem "fog-local"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5a22dba..5b5e0b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,15 +54,13 @@ GEM
     mini_portile2 (2.4.0)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    mustermann (1.1.1)
-      ruby2_keywords (~> 0.0.1)
+    mustermann (1.0.3)
     nokogiri (1.10.0)
       mini_portile2 (~> 2.4.0)
     os (1.0.1)
-    pandoc-ruby (2.1.4)
     public_suffix (3.0.3)
     rack (2.0.7)
-    rack-protection (2.0.8.1)
+    rack-protection (2.0.5)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -84,19 +82,18 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    ruby2_keywords (0.0.2)
     signet (0.11.0)
       addressable (~> 2.3)
       faraday (~> 0.9)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
-    sinatra (2.0.8.1)
+    sinatra (2.0.5)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.8.1)
+      rack-protection (= 2.0.5)
       tilt (~> 2.0)
     sinatra-cors (1.1.0)
-    tilt (2.0.10)
+    tilt (2.0.9)
     uber (0.1.0)
 
 PLATFORMS
@@ -107,10 +104,9 @@ DEPENDENCIES
   fog-local
   mapknitter-exporter (~> 1.0.9)
   nokogiri
-  pandoc-ruby
   rack-test
   rspec
-  sinatra (= 2.0.8.1)
+  sinatra
   sinatra-cors
 
 BUNDLED WITH
diff --git a/scripts/install-deps.sh b/scripts/install-deps.sh
index 35d10d8..6de81ef 100755
--- a/scripts/install-deps.sh
+++ b/scripts/install-deps.sh
@@ -4,7 +4,6 @@ apt-get update -qq && \
 apt-get install -y \
         gdal-bin \
         python-gdal \
-        build-essential \
-        git \
-        pandoc \
-        imagemagick
\ No newline at end of file
+        ruby-kramdown \
+        ruby-nokogiri \
+        imagemagick