diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..0b3ffac
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,31 @@
+# Používame oficiálny Python image, ale env bude podobné ako v base:ubuntu
+ARG PYTHON_VERSION=3.13
+FROM python:${PYTHON_VERSION}-slim
+
+ENV PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    VIRTUAL_ENV=/workspace/.venv \
+    PATH="/workspace/.venv/bin:${PATH}"
+
+# Základ + Docker repo + docker-ce-cli + compose plugin + git
+RUN set -eux; \
+    apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    ca-certificates curl gnupg && \
+    install -m 0755 -d /etc/apt/keyrings && \
+    curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg && \
+    chmod a+r /etc/apt/keyrings/docker.gpg && \
+    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
+    https://download.docker.com/linux/debian $(. /etc/os-release && echo $VERSION_CODENAME) stable" \
+    > /etc/apt/sources.list.d/docker.list && \
+    apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    build-essential pkg-config \
+    git \
+    docker-ce-cli docker-compose-plugin docker-buildx-plugin \
+    libatomic1 libstdc++6 libgcc-s1 \
+    procps \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /workspace
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..a326b0c
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,52 @@
+{
+  "name": "Python Dev",
+  "build": {
+    "dockerfile": "Dockerfile",
+    "context": ".",
+    "args": {
+      "PYTHON_VERSION": "3.13"
+    }
+  },
+  "containerEnv": {
+    "PIP_INDEX_URL": "https://dv.masara.eu/repository/pypi-group/simple"
+    // alebo "/simple", ak to Nexus vyžaduje
+  },
+  "remoteEnv": {
+    "DOCKER_BUILDKIT": "1"
+  },
+  "workspaceFolder": "/workspace",
+  "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind",
+  "remoteUser": "root",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "ms-toolsai.jupyter",
+        "ms-python.black-formatter",
+        "ms-python.isort",
+        "ms-azuretools.vscode-docker"
+      ],
+      "settings": {
+        "[python]": {
+          "editor.defaultFormatter": "ms-python.python"
+        },
+        "python.formatting.provider": "black",
+        "python.analysis.extraPaths": [
+          "/app"
+        ],
+        "editor.formatOnSave": true,
+        "python.defaultInterpreterPath": "/workspace/.venv/bin/python",
+        "remote.restoreForwardedPorts": false
+      }
+    }
+  },
+  "mounts": [
+    "type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock"
+  ],
+  "postCreateCommand": "bash .devcontainer/post_create.sh",
+  "forwardPorts": [
+    // 8000,
+    // 8080
+  ]
+}
\ No newline at end of file
diff --git a/.devcontainer/post_create.sh b/.devcontainer/post_create.sh
new file mode 100644
index 0000000..80da00c
--- /dev/null
+++ b/.devcontainer/post_create.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -e
+
+VENV_PATH="/workspace/.venv"
+
+# Ak venv neexistuje, vytvor ho a priprav pip
+if [ ! -d "$VENV_PATH" ]; then
+    echo "Virtuálne prostredie neexistuje – vytváram..."
+    python -m venv "$VENV_PATH"
+
+    echo "Aktivujem virtuálne prostredie..."
+    # shellcheck disable=SC1090
+    source "$VENV_PATH/bin/activate"
+
+    echo "Aktualizujem pip a základné nástroje..."
+    pip install --upgrade pip setuptools wheel
+else
+    echo "Používam existujúce virtuálne prostredie..."
+    # shellcheck disable=SC1090
+    source "$VENV_PATH/bin/activate"
+fi
+
+# Inštalácia závislostí, ak existuje requirements.txt
+if [ -f "/workspace/requirements.txt" ]; then
+    echo "Inštalujem závislosti z requirements.txt..."
+    pip install -r /workspace/requirements.txt
+else
+    echo "requirements.txt nenájdený – preskakujem inštaláciu závislostí."
+fi
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..0ce478c
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,16 @@
+
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+*.db
+*.sqlite3
+.env
+*.log
+.git
+.gitignore
+.vscode
+.venv
+venv
+rest
+docker
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cf6d15e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,229 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#   Usually these files are written by a python script from a template
+#   before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+# Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+# uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+# poetry.lock
+# poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+# pdm.lock
+# pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+# pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# Redis
+*.rdb
+*.aof
+*.pid
+
+# RabbitMQ
+mnesia/
+rabbitmq/
+rabbitmq-data/
+
+# ActiveMQ
+activemq-data/
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#   JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#   be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#   and can be added to the global gitignore or merged into this file.  For a more nuclear
+#   option (not recommended) you can uncomment the following to ignore the entire idea folder.
+# .idea/
+
+# Abstra
+#   Abstra is an AI-powered process automation framework.
+#   Ignore directories containing user credentials, local state, and settings.
+#   Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#   Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#   that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#   and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#   you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Streamlit
+.streamlit/secrets.toml
+
+
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+!*.code-workspace
+
+# Built Visual Studio Code Extensions
+*.vsix
+
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..6cbfe01
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,31 @@
+# syntax=docker/dockerfile:1.6
+FROM python:3.13-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PIP_INDEX_URL=https://dv.masara.eu/repository/pypi-group/simple \
+    PIP_NO_INPUT=1
+
+
+ARG APP_USER_ID=1000
+RUN useradd -u ${APP_USER_ID} -m appuser
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install -r requirements.txt
+
+COPY app/ /app/
+# ak len adresár /app
+RUN chown -R appuser:appuser /app 
+# príklad vytvorenia ďalľieho adresára pre aplikáciu a zmena vlastníctva naraz aj pre /app
+# RUN mkdir -p /models && chown -R appuser:appuser /models /app
+
+USER appuser
+
+# Príklad sprístupnenia a spustenia uvicorn
+# EXPOSE 8080
+# CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8080"]
diff --git a/README.md b/README.md
index 6432097..bf85dec 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,20 @@
-# Template projektu pre Python 3.13
-
-Template obsahuje
-
-* definíciu docker kontajnera s podporu docker
-* python 3.13
\ No newline at end of file
+# Template projektu pre Python 3.13
+
+## Template obsahuje
+
+* definíciu docker kontajnera s podporu docker a git
+* python 3.13
+* Nastavenie vscode
+* .dockerignore a .gitignore
+* Hello world aplikáciu
+* vzorový Dockerfile pre aplikáciu
+
+> Prvé otvorenie projektu môže trvať aj 10 min. Musí sa buildovať image.
+
+## Otvorenie projektu
+
+Pri otvorení projektu sa automaticky:
+
+* kontroluje, či je vytvorené venv, ak nie, vytvorí sa a aktualizuje pip
+* aktualizujú sa závislosti
+
diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..7ccb890
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,2 @@
+# hello_world.py
+print("Hello, world!")
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+