diff --git a/infra/reverse_proxy/docker-compose.yml b/infra/reverse_proxy/docker-compose.yml
new file mode 100644
index 0000000..d2ebb51
--- /dev/null
+++ b/infra/reverse_proxy/docker-compose.yml
@@ -0,0 +1,8 @@
+version: '2'
+services:
+    app:
+        image: nginx
+        volumes:
+            - ./reverse.conf:/etc/nginx/conf.d/default.conf
+        ports:
+            - "8080:80"
diff --git a/infra/reverse_proxy/reverse.conf b/infra/reverse_proxy/reverse.conf
new file mode 100644
index 0000000..750086a
--- /dev/null
+++ b/infra/reverse_proxy/reverse.conf
@@ -0,0 +1,50 @@
+server {
+    listen       80;
+    listen  [::]:80;
+    server_name  localhost;
+
+    #charset koi8-r;
+    #access_log  /var/log/nginx/host.access.log  main;
+
+#    location / {
+#        root   /usr/share/nginx/html;
+#        index  index.html index.htm;
+#    }
+
+    #error_page  404              /404.html;
+
+    # redirect server error pages to the static page /50x.html
+    #
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+
+    location / {
+        proxy_pass https://portaldjbr.contraloria.gov.py/;
+    }
+
+    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
+    #
+    #location ~ \.php$ {
+    #    proxy_pass   http://127.0.0.1;
+    #}
+
+    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
+    #
+    #location ~ \.php$ {
+    #    root           html;
+    #    fastcgi_pass   127.0.0.1:9000;
+    #    fastcgi_index  index.php;
+    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
+    #    include        fastcgi_params;
+    #}
+
+    # deny access to .htaccess files, if Apache's document root
+    # concurs with nginx's one
+    #
+    #location ~ /\.ht {
+    #    deny  all;
+    #}
+}
+
diff --git a/scripts/python/airflow/dags/contralory_declaration_download_pdfs.py b/scripts/python/airflow/dags/contralory_declaration_download_pdfs.py
index 08ab9d4..905edd3 100644
--- a/scripts/python/airflow/dags/contralory_declaration_download_pdfs.py
+++ b/scripts/python/airflow/dags/contralory_declaration_download_pdfs.py
@@ -38,6 +38,7 @@
 
 dag_job_target_dir = os.path.join(Variable.get("CGR_PDF_FOLDER", os.path.join(os.sep, "tmp", "contralory", "raw")))
 dag_sub_jobs_count = int(Variable.get("CGR_DOWNLOAD_PDF_SUB_JOBS_COUNT", 10))
+dag_base_url = Variable.get("CGR_DOWNLOAD_PDF_BASE_URL", "https://portaldjbr.contraloria.gov.py/portal-djbr/api/consulta/descargarpdf/")
 
 default_args = {
     "owner": "airflow",
@@ -47,7 +48,6 @@
     "email_on_retry": False,
     "retry_delay": timedelta(hours=1),
     "params": {
-        "url": "https://portaldjbr.contraloria.gov.py/portal-djbr/api/consulta/descargarpdf/",
         "target_dir": dag_job_target_dir
     },
 }
@@ -237,7 +237,7 @@ def do_work(number: int, url: str, target_dir: str, mod_of: int):
             python_callable=do_work,
             op_kwargs={
                 "number": digit,
-                "url": "{{ params.url }}",
+                "url": dag_base_url,
                 "target_dir": "{{ params.target_dir }}",
                 "mod_of": dag_sub_jobs_count
             },
diff --git a/scripts/python/airflow/dags/contralory_declaration_link_fetcher.py b/scripts/python/airflow/dags/contralory_declaration_link_fetcher.py
index 12b3f8d..35f9de9 100644
--- a/scripts/python/airflow/dags/contralory_declaration_link_fetcher.py
+++ b/scripts/python/airflow/dags/contralory_declaration_link_fetcher.py
@@ -4,11 +4,13 @@
 import requests
 from re import findall as re_findall
 from airflow.hooks.postgres_hook import PostgresHook
-from airflow.models import DAG
 from airflow.operators.dummy_operator import DummyOperator
 from airflow.operators.postgres_operator import PostgresOperator
 from airflow.operators.python_operator import PythonOperator
 from airflow.utils.dates import days_ago
+from airflow.models import DAG, Variable
+
+dag_base_url = Variable.get("CGR_FETCHER_BASE_URL", "https://portaldjbr.contraloria.gov.py/portal-djbr/api/consulta/declaraciones/paginadas")
 
 default_args = {
     "owner": "airflow",
@@ -18,7 +20,6 @@
     "email_on_retry": False,
     "retry_delay": timedelta(hours=1),
     "params": {
-        "url": "https://portaldjbr.contraloria.gov.py/portal-djbr/api/consulta/declaraciones/paginadas",
     },
 }
 
@@ -82,7 +83,6 @@ def list_navigator(base_query: str, url: str):
         yield records
         should_continue = len(records) != 0
         page += 1
-        # should_continue = False
 
 
 def get_upsert_query() -> str:
@@ -145,7 +145,6 @@ def fetch_list(letter: str, url: str, **kwargs):
                                         ''')
 
     for letter in ['a', 'e', 'i', 'o', 'u']:
-    # for letter in ['a']:
         # Get list from webpage
         get_pdf_list = PythonOperator(
             task_id=f"""get_pdf_list_{letter}""",
@@ -153,7 +152,7 @@ def fetch_list(letter: str, url: str, **kwargs):
             python_callable=fetch_list,
             op_kwargs={
                 "letter": letter,
-                "url": "{{ params.url }}",
+                "url": dag_base_url,
             },
         )