diff --git a/Dockerfile b/Dockerfile
index 6982b2c..6073356 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,17 +9,17 @@ MAINTAINER Marc Villacorta Morera <marc.villacorta@gmail.com>
 # Environment variables:
 #------------------------------------------------------------------------------
 
-ENV PORTUS_VERSION="2.1.0" \
+ENV PORTUS_VERSION="2.1.1" \
     NOKOGIRI_USE_SYSTEM_LIBRARIES="1"
 
 #------------------------------------------------------------------------------
 # Install:
 #------------------------------------------------------------------------------
 
-RUN apk --no-cache add --update -t deps git gcc make musl-dev libxml2-dev \
+RUN apk --no-cache add -U -t dev git gcc make musl-dev libxml2-dev \
     libxslt-dev mariadb-dev openssl-dev libffi-dev curl-dev \
-    && apk --no-cache add bash ruby-bundler ruby-dev ruby-rdoc ruby-irb \
-    nodejs tzdata libxslt mariadb-libs mariadb-client openssl ruby-io-console \
+    && apk --no-cache add bash ruby-bundler ruby-dev nodejs tzdata \
+    libxslt mariadb-libs mariadb-client openssl ruby-io-console \
     ruby-bigdecimal mariadb-client-libs libcurl \
     && echo 'gem: --verbose --no-document' > /etc/gemrc; cd /tmp \
     && git clone https://github.com/SUSE/Portus.git . \
@@ -27,9 +27,9 @@ RUN apk --no-cache add --update -t deps git gcc make musl-dev libxml2-dev \
     && git archive ${PORTUS_VERSION} | tar -xC /portus \
     && git rev-parse --short HEAD > /portus/VERSION; cd /portus \
     && sed -i 's/mysql2 (0.3.18)/mysql2 (0.4.4)/' Gemfile.lock \
-    && gem update --system \
+    && gem update --no-document --quiet --system \
     && bundle install --retry=3 --no-cache --clean && gem cleanup \
-    && apk del --purge deps; bash -c "rm -rf /{tmp,root}/{*,.??*}" \
+    && apk del --purge dev; bash -c "rm -rf /{tmp,root}/{*,.??*}" \
     && rm -rf /usr/lib/ruby/gems/*/cache/* /var/cache/apk/*
 
 #------------------------------------------------------------------------------
diff --git a/README.md b/README.md
index 390db1b..c29c1b8 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ cd portus && docker run -it --rm \
 --env PORTUS_SECRET_KEY_BASE=$(openssl rand -hex 64) \
 --env PORTUS_ENCRYPTION_PRIVATE_KEY_PATH=/certs/server-key.pem \
 --env PORTUS_PORTUS_PASSWORD=some-password \
-h0tbird/portus:v2.1.0-1
+h0tbird/portus:v2.1.1-1
 ```
 
 Browse to https://127.0.0.1 and do not fill the *New Registry* form until you have actually started the registry in step 4.
diff --git a/marathon.json b/marathon.json
index 8255664..6fc4362 100644
--- a/marathon.json
+++ b/marathon.json
@@ -4,8 +4,8 @@
     {
       "id": "web",
       "instances": 1,
-      "cpus": 0.5,
-      "mem": 2048,
+      "cpus": 0.1,
+      "mem": 1024,
       "disk": 0,
       "backoffSeconds": 1,
       "backoffFactor": 1.15,
@@ -70,8 +70,8 @@
     {
       "id": "db",
       "instances": 1,
-      "cpus": 0.5,
-      "mem": 2048,
+      "cpus": 0.1,
+      "mem": 1024,
       "disk": 0,
       "backoffSeconds": 1,
       "backoffFactor": 1.15,
diff --git a/rootfs/init b/rootfs/init
index 2b28746..8886a16 100755
--- a/rootfs/init
+++ b/rootfs/init
@@ -7,7 +7,7 @@
 CONFIG_FILE='/portus/config/config.yml'
 DB_CONFIG_FILE='/portus/config/database.yml'
 SECRETS_CONFIG_FILE='/portus/config/secrets.yml'
-PUMA_CONFIG_FILE='portus/config/puma.rb'
+PUMA_CONFIG_FILE='/portus/config/puma.rb'
 
 # Machine fqdn:
 : ${PORTUS_MACHINE_FQDN:=127.0.0.1} && \