diff --git a/.dockerignore b/.dockerignore
index 318700ad6..4ff7fdc82 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -12,3 +12,10 @@ bower
 .travis.yml
 .env
 .idea
+.DS_Store
+.coveragerc
+*.swp
+.coveragerc
+.drone.yml
+.github
+release.sh
diff --git a/docker/config/nginx/sapl.conf b/docker/config/nginx/sapl.conf
index 18641045e..a55731d02 100644
--- a/docker/config/nginx/sapl.conf
+++ b/docker/config/nginx/sapl.conf
@@ -7,7 +7,7 @@ upstream sapl_server {
 server {
 
     listen   80;
-    server_name sapl.test;
+    server_name sapl.prod;
 
     client_max_body_size 4G;
 
diff --git a/docker/startup_scripts/gunicorn.conf.py b/docker/startup_scripts/gunicorn.conf.py
index 95d2f0256..6bdcacb02 100644
--- a/docker/startup_scripts/gunicorn.conf.py
+++ b/docker/startup_scripts/gunicorn.conf.py
@@ -52,7 +52,8 @@ graceful_timeout = 30
 keepalive = 10
 backlog = 2048
 max_requests = MAX_REQUESTS
-max_requests_jitter = 100
+max_requests_jitter = 200
+worker_max_memory_per_child = 300 * 1024 * 1024  # 300 MB cap
 
 # Environment (same as exporting before running)
 raw_env = [
diff --git a/docker/startup_scripts/start.sh b/docker/startup_scripts/start.sh
index 316d73f8a..bd98bdfc0 100755
--- a/docker/startup_scripts/start.sh
+++ b/docker/startup_scripts/start.sh
@@ -4,19 +4,16 @@ IFS=$'\n\t'
 
 APP_DIR="/var/interlegis/sapl"
 DATA_DIR="/var/interlegis/sapl/data"
-MEDIA_DIR="/var/interlegis/sapl/media"
 RUN_DIR="/var/interlegis/sapl/run"
 
 ENV_FILE="$APP_DIR/.env"
 SECRET_FILE="$DATA_DIR/secret.key"
 
 chown -R root:nginx "$RUN_DIR" || true
-chown -R root:nginx "$MEDIA_DIR" || true
 chmod -R g+rwX "$RUN_DIR" || true
-chmod -R g+rwX "$MEDIA_DIR" || true
 
 # setgid bit on our writable trees (not data/)
-find "$RUN_DIR" "$MEDIA_DIR" -type d -exec chmod g+s {} + 2>/dev/null || true
+find "$RUN_DIR" -type d -exec chmod g+s {} + 2>/dev/null || true
 
 log() { printf '[%s] %s\n' "$(date -Is)" "$*"; }
 err() { printf '[%s] ERROR: %s\n' "$(date -Is)" "$*" >&2; }
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 56c2459b4..aea9f52db 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -22,8 +22,7 @@ pytz==2019.3
 python-magic==0.4.15
 unipath==1.1
 Pillow==10.3.0
-rlPyCairo==0.3.0
-reportlab==4.2.0
+reportlab==3.6.13
 WeasyPrint==66
 trml2pdf==0.6
 gunicorn==23.0.0
diff --git a/sapl/base/views.py b/sapl/base/views.py
index ce3a0a717..7c935d421 100644
--- a/sapl/base/views.py
+++ b/sapl/base/views.py
@@ -68,7 +68,7 @@ class IndexView(TemplateView):
 
 
 @method_decorator(ratelimit(key=lambda group, request: get_client_ip(request),
-                            rate='20/m',
+                            rate='10/m',
                             method=ratelimit.UNSAFE,
                             block=True), name='dispatch')
 class LoginSapl(views.LoginView):
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index f64d8134b..ce158228b 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -24,7 +24,6 @@ from django.shortcuts import render
 from django.template import loader
 from django.urls import reverse
 from django.utils import formats, timezone
-from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import CreateView, ListView, TemplateView, UpdateView
 from django.views.generic.base import RedirectView
@@ -32,6 +31,9 @@ from django.views.generic.edit import FormView
 from django_filters.views import FilterView
 import weasyprint
 
+from ratelimit.decorators import ratelimit
+from django.utils.decorators import method_decorator
+
 import sapl
 from sapl.base.email_utils import do_envia_email_confirmacao
 from sapl.base.models import Autor, CasaLegislativa, AppConfig as BaseAppConfig
@@ -1459,6 +1461,7 @@ class TramitacaoCrud(MasterDetailCrud):
 
             return initial
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class ListView(MasterDetailCrud.ListView):
 
         def get_queryset(self):
@@ -1531,6 +1534,7 @@ class TramitacaoCrud(MasterDetailCrud):
 
                 return HttpResponseRedirect(url)
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class DetailView(MasterDetailCrud.DetailView):
 
         template_name = "materia/tramitacao_detail.html"
@@ -1908,6 +1912,7 @@ class MateriaLegislativaCrud(Crud):
         def get_success_url(self):
             return self.search_url
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class DetailView(Crud.DetailView):
 
         layout_key = 'MateriaLegislativaDetail'
@@ -1920,6 +1925,7 @@ class MateriaLegislativaCrud(Crud):
                 pk=self.kwargs['pk'])
             return context
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class ListView(Crud.ListView, RedirectView):
 
         def get_redirect_url(self, *args, **kwargs):
@@ -2040,6 +2046,7 @@ class AcompanhamentoExcluirView(TemplateView):
         return HttpResponseRedirect(self.get_success_url())
 
 
+@method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
 class MateriaLegislativaPesquisaView(MultiFormatOutputMixin, FilterView):
     model = MateriaLegislativa
     filterset_class = MateriaLegislativaFilterSet
diff --git a/sapl/norma/views.py b/sapl/norma/views.py
index 27758a1ca..488e73c90 100644
--- a/sapl/norma/views.py
+++ b/sapl/norma/views.py
@@ -19,6 +19,9 @@ from django.views.generic.edit import FormView
 from django_filters.views import FilterView
 import weasyprint
 
+from ratelimit.decorators import ratelimit
+from django.utils.decorators import method_decorator
+
 from sapl import settings
 import sapl
 from sapl.base.models import AppConfig
@@ -147,6 +150,7 @@ class NormaRelacionadaCrud(MasterDetailCrud):
         layout_key = 'NormaRelacionadaDetail'
 
 
+@method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
 class NormaPesquisaView(MultiFormatOutputMixin, FilterView):
     model = NormaJuridica
     filterset_class = NormaFilterSet
@@ -232,6 +236,7 @@ class AnexoNormaJuridicaCrud(MasterDetailCrud):
             initial['ano'] = self.object.ano
             return initial
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class DetailView(MasterDetailCrud.DetailView):
         form_class = AnexoNormaJuridicaForm
         layout_key = 'AnexoNormaJuridica'
@@ -280,6 +285,7 @@ class NormaCrud(Crud):
             namespace = self.model._meta.app_config.name
             return reverse('%s:%s' % (namespace, 'norma_pesquisa'))
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class DetailView(Crud.DetailView):
         def get(self, request, *args, **kwargs):
             estatisticas_acesso_normas = AppConfig.objects.first().estatisticas_acesso_normas
@@ -337,6 +343,7 @@ class NormaCrud(Crud):
 
         layout_key = 'NormaJuridicaCreate'
 
+    @method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
     class ListView(Crud.ListView):
 
         def get(self, request, *args, **kwargs):
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index 4835a17b6..7df367379 100755
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -28,6 +28,9 @@ from django.views.generic.edit import FormMixin
 from django_filters.views import FilterView
 import pytz
 
+from ratelimit.decorators import ratelimit
+from django.utils.decorators import method_decorator
+
 from sapl.base.models import AppConfig as AppsAppConfig
 from sapl.crud.base import (RP_DETAIL, RP_LIST, Crud, CrudAux,
                             MasterDetailCrud,
@@ -3794,6 +3797,7 @@ class SessaoListView(ListView):
         return context
 
 
+@method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
 class PautaSessaoView(TemplateView):
     model = SessaoPlenaria
     template_name = "sessao/pauta_inexistente.html"
@@ -3809,6 +3813,7 @@ class PautaSessaoView(TemplateView):
             reverse('sapl.sessao:pauta_sessao_detail', kwargs={'pk': sessao.pk}))
 
 
+@method_decorator(ratelimit(key='ip', rate='10/m', block=True), name='dispatch')
 class PautaSessaoDetailView(PautaMultiFormatOutputMixin, DetailView):
     template_name = "sessao/pauta_sessao_detail.html"
     model = SessaoPlenaria
diff --git a/sapl/utils.py b/sapl/utils.py
index 9d6399c5e..6554c5aea 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -419,21 +419,25 @@ def get_base_url(request):
     return "{0}://{1}".format(protocol, current_domain)
 
 
-def create_barcode(value, width=170, height=50):
-    '''
-        creates a base64 encoded barcode PNG image
-    '''
+def create_barcode(value, width=170, height=50, dpi=72):
+    """
+    creates a base64 encoded barcode PNG image
+    """
     from base64 import b64encode
     from reportlab.graphics.barcode import createBarcodeDrawing
+
     value_bytes = bytes(value, "ascii")
-    barcode = createBarcodeDrawing('Code128',
-                                   value=value_bytes,
-                                   barWidth=width,
-                                   height=height,
-                                   fontSize=2,
-                                   humanReadable=True)
-    data = b64encode(barcode.asString('png'))
-    return data.decode('utf-8')
+    barcode = createBarcodeDrawing(
+        'Code128',
+        value=value_bytes,
+        barWidth=width,
+        height=height,
+        fontSize=2,
+        humanReadable=True
+    )
+    # Lower DPI prevents Cairo surface from blowing up
+    png_bytes = barcode.asString("png", dpi=dpi)
+    return b64encode(png_bytes).decode("utf-8")
 
 
 YES_NO_CHOICES = [(True, _('Sim')), (False, _('Não'))]
diff --git a/scripts/gunicorn_start.sh b/scripts/gunicorn_start.sh
index d01503235..bd2932985 100755
--- a/scripts/gunicorn_start.sh
+++ b/scripts/gunicorn_start.sh
@@ -15,8 +15,8 @@ then
 fi
 
 NAME="SAPL"                                     # Name of the application (*)
-DJANGODIR=$SAPL_DIR/                            # Django project directory (*)
-SOCKFILE=$SAPL_DIR/run/gunicorn.sock            # we will communicate using this unix socket (*)
+DJANGODIR="$SAPL_DIR/"                          # Django project directory (*)
+SOCKFILE="$SAPL_DIR/run/gunicorn.sock"          # we will communicate using this unix socket (*)
 USER=`whoami`                                   # the user to run as (*)
 GROUP=`whoami`                                  # the group to run as (*)
 NUM_WORKERS=3                                   # how many worker processes should Gunicorn spawn (*)