diff --git a/Dockerfile b/Containerfile
similarity index 82%
rename from Dockerfile
rename to Containerfile
index 4d68d13..9e9cab0 100644
--- a/Dockerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM python:2.7.14-alpine3.6
+FROM python:3.8.5-alpine3.12
 
 # Update the packages
 RUN apk update
@@ -8,7 +8,7 @@ RUN apk add gcc libffi-dev musl-dev openssl-dev sshpass make
 # RUN apk add py-crypto python-dev
 
 # Install td4a
-RUN pip install td4a==1.7
+RUN pip install td4a==2.0.3
 
 # Clear out extras
 RUN rm -rf /var/cache/apk/*
diff --git a/README.md b/README.md
index 75d0de6..b9be3d1 100644
--- a/README.md
+++ b/README.md
@@ -9,17 +9,16 @@ https://td4a.codethenetwork.com
 
 TD4A is a visual design aid for building and testing jinja2 templates.  It will combine data in yaml format with a jinja2 template and render the output.
 
-All jinja2 filters are supported along with the filter plugins from Ansible version 2.4.1.0.
+All jinja2 filters are supported along with the filter plugins from Ansible version 2.9.12
 
 ### Installation:
 
-#### using docker:
-
+##### using podman (or docker):
 ```
-docker pull cidrblock/td4a
+podman pull cidrblock/td4a
 ```
 
-The docker hub page can be found here:
+The container registry page can be found here:
 
 https://hub.docker.com/r/cidrblock/td4a/
 
@@ -39,9 +38,9 @@ https://pypi.python.org/pypi/td4a
 
 #### Simple
 
-##### using docker:
+##### using podman (or docker):
 ```
-docker run -p 5000:5000 cidrblock/td4a
+podman run -p 5000:5000 cidrblock/td4a
 ```
 
 ##### using the cli:
@@ -61,10 +60,9 @@ TD4A support two different modes of operation.
 
 #### Enabling a mode
 
-##### using docker:
-
+##### using podman (or docker):
 ```
-docker run  -p 5000:5000 \
+podman run  -p 5000:5000 \
             -it \
             cidrblock/td4a \
             td4a-server -m mode
@@ -81,13 +79,14 @@ where `mode` is either jinja2 (default) or schema
 
 #### Loading custom filter plugins (jinja2 mode only)
 
-##### using docker:
 
 TD4A supports custom filter plugins within the container. Pass your custom filter_plugins directory as a volume and use the -f option to specify to custom filter plugin directory.
+
+##### using podman (or docker):
 ```
-docker run  -p 5000:5000 \
+podman run  -p 5000:5000 \
             -it \
-            -v `pwd`/my_filter_plugins:/filter_plugins            
+            -v `pwd`/my_filter_plugins:/filter_plugins \
             cidrblock/td4a \
             td4a-server -f /filter_plugins
 ```
@@ -101,11 +100,13 @@ td4a-server -f ./my_filter_plugins
 
 #### Loading an ansible inventory (jinja2 and schema mode)
 
-##### using docker:
-
 Mount the inventory as `/inventory` in the container, and run TD4A with the `-i` option.
+
+
+##### using podman (or docker):
+
 ```
-docker run  -p 5000:5000 \
+podman run  -p 5000:5000 \
             -it \
             -v '/Users/me/github/ansible_network_inventory:/inventory' \
             cidrblock/td4a \
@@ -114,7 +115,7 @@ docker run  -p 5000:5000 \
 
 If environment variables are needed for a dynamic inventory, they can be passed to the docker container.
 ```
-docker run  -p 5000:5000 \
+podman run  -p 5000:5000 \
             -it \
             -v `pwd`/my_filter_plugins:/filter_plugins \
             -v '/Users/me/github/ansible_network_inventory:/inventory' \
@@ -142,10 +143,10 @@ The CouchDB needs to previously created.
 
 To enable link support, and add the link button to the UI, set the following environ variables:
 
-##### using docker:
+##### using podman (or docker):
 
 ```
-docker run  -p 5000:5000 \
+podman run  -p 5000:5000 \
             -v `pwd`/my_filter_plugins:/filter_plugins \
             -e "COUCH_USERNAME=admin" \
             -e "COUCH_PASSWORD=password" \
@@ -182,7 +183,7 @@ The UI is broken into three sections:
 
 ### Python version
 
-To date, this has only been tested with python 2.7.
+To date, this has only been tested with python 3.8.5.
 
 ### Development
 
diff --git a/gcp/Dockerfile b/gcp/Dockerfile
new file mode 100644
index 0000000..cb17c57
--- /dev/null
+++ b/gcp/Dockerfile
@@ -0,0 +1,2 @@
+FROM cidrblock/td4a:2.0.3
+EXPOSE 5000
diff --git a/now/Dockerfile b/now/Dockerfile
deleted file mode 100644
index 5aa9fb7..0000000
--- a/now/Dockerfile
+++ /dev/null
@@ -1,2 +0,0 @@
-FROM cidrblock/td4a:1.7
-EXPOSE 5000
diff --git a/requirements.txt b/requirements.txt
index 7ccdeae..5af9713 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
-ansible==2.4.1.0
-Flask==0.12.2
-netaddr==0.7.19
-Twisted==17.9.0
-requests==2.18.4
-ruamel.yaml==0.15.35
-genson==0.2.3
-jsonschema==2.6.0
+ansible==2.9.12
+Flask==1.1.2
+netaddr==0.8.0
+Twisted==20.3.0
+requests==2.24.0
+ruamel.yaml==0.16.10
+genson==1.2.1
+jsonschema==3.2.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index b3c6d20..821c303 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 
 setup(name='td4a',
-      version='1.7',
+      version='2.0.3',
       description='A browser based jinja template renderer',
       url='http://github.com/cidrblock/td4a',
       author='Bradley A. Thornton',
@@ -13,11 +13,13 @@
       ],
       scripts=['td4a-server'],
       install_requires=[
-          'ansible==2.4.1.0',
-          'Flask==0.12.2',
-          'netaddr==0.7.19',
-          'Twisted==17.9.0',
-          'requests==2.18.4',
-          'ruamel.yaml==0.15.35'
+          'ansible==2.9.12',
+          'Flask==1.1.2',
+          'netaddr==0.8.0',
+          'Twisted==20.3.0',
+          'requests==2.24.0',
+          'ruamel.yaml==0.16.10',
+          'genson==1.2.1',
+          'jsonschema==3.2.0'
       ],
       zip_safe=False)
diff --git a/td4a-server b/td4a-server
index 29e5c31..ae9c05f 100755
--- a/td4a-server
+++ b/td4a-server
@@ -34,7 +34,7 @@ def parse_args():
     return args
 
 def main():
-    print "Loading..."
+    print("Loading...")
     app.args = parse_args()
     app.filters = filters_load(app.args.custom_filters)
     if app.args.inventory_source:
@@ -51,7 +51,7 @@ def main():
         reactor_args['installSignalHandlers'] = 0
         import werkzeug.serving
         wsgi = werkzeug.serving.run_with_reloader(wsgi)
-    print "Ready."
+    print("Ready.")
     wsgi()
 
 if __name__ == '__main__':
diff --git a/td4a/controllers/render.py b/td4a/controllers/render.py
index dfc3027..0058439 100644
--- a/td4a/controllers/render.py
+++ b/td4a/controllers/render.py
@@ -96,9 +96,9 @@ def rest_render():
     """ render path
     """
     try:
-        print "Checking and parsing data..."
+        print("Checking and parsing data...")
         response = render(payload=request.json, filters=app.filters, typ="page")
-        print "Done."
+        print("Done.")
         return jsonify(response)
     except HandledException as error:
         return jsonify(error.json())
diff --git a/td4a/controllers/validate.py b/td4a/controllers/validate.py
index f862e30..91abcca 100644
--- a/td4a/controllers/validate.py
+++ b/td4a/controllers/validate.py
@@ -34,7 +34,7 @@ def validation(payload):
         if errors:
             return {"p3": yaml.dump({"messages":errors})}
         return {"p3": yaml.dump({"messages":["validation passed"]})}
-    except UnknownType, error:
+    except UnknownType as error:
         error_message = str(error)
         lines = error_message.splitlines()
         message = [x for x in lines if x.startswith('Unknown type')]
diff --git a/td4a/models/exception_handler.py b/td4a/models/exception_handler.py
index 1c7f853..ce06d8b 100644
--- a/td4a/models/exception_handler.py
+++ b/td4a/models/exception_handler.py
@@ -31,7 +31,7 @@ def __init__(self, function):
     def __call__(self, *args, **kwargs):
         try:
             return self.function(*args, **kwargs)
-        except Exception, error:
+        except Exception as error:
             self.error = error
             self.exc_type, self.exc_value, self.exc_traceback = sys.exc_info()
             self.tback = traceback.extract_tb(self.exc_traceback)
@@ -115,7 +115,7 @@ def type_error(self):
                                    line_number=line_number)
 
     def unhandled(self):
-        print self.exc_type, self.exc_value, self.exc_traceback, self.tback, self.error
+        print(self.exc_type, self.exc_value, self.exc_traceback, self.tback, self.error)
         line_numbers = [x for x in self.tback if re.search('^<.*>$', x[0])]
         if line_numbers:
             line_number = line_numbers[0][1]
diff --git a/td4a/models/filters.py b/td4a/models/filters.py
index 8c4f499..e7fc237 100644
--- a/td4a/models/filters.py
+++ b/td4a/models/filters.py
@@ -13,7 +13,7 @@ def load_dir(directory):
     for entry in os.listdir(directory):
         if entry != '__init__.py' and entry.split('.')[-1] == 'py':
             filters = importlib.import_module(entry[:-3]).FilterModule().filters()
-            for key, value in filters.iteritems():
+            for key, value in filters.items():
                 filter_list.append((key, value))
     return filter_list
 
diff --git a/td4a/static/template.j2 b/td4a/static/template.j2
index bf8e0f0..4f7e547 100644
--- a/td4a/static/template.j2
+++ b/td4a/static/template.j2
@@ -1,4 +1,4 @@
-{% for key, value in interfaces.iteritems() %}
+{% for key, value in interfaces.items() %}
 {% if value['name'].startswith('Ethernet') %}
 - parents:
   - interface {{ value['name'] }}