diff --git a/01_hello/hello.py b/01_hello/hello.py
new file mode 100755
index 000000000..c634ba12b
--- /dev/null
+++ b/01_hello/hello.py
@@ -0,0 +1,27 @@
+#!/usr/local/bin/python3
+"""
+    Author:  Danieledu <daniel.epr77@gmail.com>
+    Purpose: Say hello
+"""
+
+import argparse
+
+
+def get_args():
+    parser = argparse.ArgumentParser(description='Say Hello')
+    parser.add_argument(
+        '-n', '--name', metavar='name',
+        default='World',
+        help='Name to greet'
+    )
+
+    return parser.parse_args()
+
+
+def main():
+    args = get_args()
+    print('Hello, ' + args.name + '!')
+
+
+if __name__ == '__main__':
+    main()
diff --git a/01_hello/hello2.py b/01_hello/hello2.py
new file mode 100755
index 000000000..6b8a2934e
--- /dev/null
+++ b/01_hello/hello2.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+"""
+Author : Anonymous <Anonymous@32f7eebf6aa2>
+Date   : 2021-09-06
+Purpose: Rock the Casbah
+"""
+
+import argparse
+
+
+# --------------------------------------------------
+def get_args():
+    """Get command-line arguments"""
+
+    parser = argparse.ArgumentParser(
+        description='Rock the Casbah',
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+
+    parser.add_argument('positional',
+                        metavar='str',
+                        help='A positional argument')
+
+    parser.add_argument('-a',
+                        '--arg',
+                        help='A named string argument',
+                        metavar='str',
+                        type=str,
+                        default='')
+
+    parser.add_argument('-i',
+                        '--int',
+                        help='A named integer argument',
+                        metavar='int',
+                        type=int,
+                        default=0)
+
+    parser.add_argument('-f',
+                        '--file',
+                        help='A readable file',
+                        metavar='FILE',
+                        type=argparse.FileType('rt'),
+                        default=None)
+
+    parser.add_argument('-o',
+                        '--on',
+                        help='A boolean flag',
+                        action='store_true')
+
+    return parser.parse_args()
+
+
+# --------------------------------------------------
+def main():
+    """Make a jazz noise here"""
+
+    args = get_args()
+    str_arg = args.arg
+    int_arg = args.int
+    file_arg = args.file
+    flag_arg = args.on
+    pos_arg = args.positional
+
+    print(f'str_arg = "{str_arg}"')
+    print(f'int_arg = "{int_arg}"')
+    print('file_arg = "{}"'.format(file_arg.name if file_arg else ''))
+    print(f'flag_arg = "{flag_arg}"')
+    print(f'positional = "{pos_arg}"')
+
+
+# --------------------------------------------------
+if __name__ == '__main__':
+    main()
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 799894a74..be15143b5 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,8 +1,10 @@
-FROM python:3.8.3-buster
+FROM python:3.8.4-buster
 RUN apt-get -y update
-RUN apt-get install -y git vim emacs
+RUN apt-get install -y git vim emacs zsh git-core
+RUN /usr/local/bin/python3 -m pip install --upgrade pip
 
 WORKDIR /app
-RUN git clone https://github.com/kyclark/tiny_python_projects && python3 -m pip install -r /app/tiny_python_projects/requirements.txt
+RUN git clone https://github.com/DanielEdu/tiny_python_projects.git
+RUN python3 -m pip install -r /app/tiny_python_projects/requirements.txt
 
-CMD ["python3", "--version"]
+CMD ["python3", "--version"]
\ No newline at end of file
diff --git a/docker/Dockerfile_v3 b/docker/Dockerfile_v3
new file mode 100644
index 000000000..433220bcc
--- /dev/null
+++ b/docker/Dockerfile_v3
@@ -0,0 +1,16 @@
+FROM python:3.8.4-buster
+RUN apt-get -y update
+RUN apt-get install -y git vim emacs zsh git-core
+RUN wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh
+
+WORKDIR /app
+# actualizar solo dependencias si existen
+COPY ["requirements.txt", "/app"]
+
+RUN /usr/local/bin/python3 -m pip install --upgrade pip
+RUN python3 -m pip install -r requirements.txt
+
+# actualizar codigo y no dependencias 
+COPY [".", "/app"]
+
+CMD ["python3", "--version"]
diff --git a/docker/README.md b/docker/README.md
index 2a3dbd0a5..a9115e931 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -3,6 +3,7 @@
 If you like, you can run and test all the code using Python 3.8.3 in a Docker image:
 
 ```
-$ docker pull kyclark/tiny_python_projects:0.2.0
-$ docker run -it --rm kyclark/tiny_python_projects:0.2.0 bash
+docker build -t tiny_python_projects .
+
+docker run -it --rm -d -v c:/Users/danie/PROJECTS/tiny_python_projects:/app tiny_python_projects bash
 ```
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
new file mode 100644
index 000000000..df6f74e7d
--- /dev/null
+++ b/docker/docker-compose.yml
@@ -0,0 +1,7 @@
+version: "3.8"
+
+services: 
+  app:
+    build: .
+    volumes: 
+      - .:/app
\ No newline at end of file