initial commit

.dockerignore

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+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+.env*
+.cache
+*.log
+.git*
+scripts

.gitignore

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+.python-version
+/.vscode/
+*.code-workspace
+todo.txt
+*.ipynb
+.env
+.DS_Store
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+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/
+
+# 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
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.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
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.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/

.pre-commit-config.yaml

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+repos:
+    -   repo: https://github.com/pre-commit/pre-commit-hooks
+        rev: v2.3.0
+        hooks:
+        -   id: check-yaml
+            args: [--unsafe]
+        -   id: end-of-file-fixer
+        -   id: trailing-whitespace
+        -   id: check-ast
+    -   repo: https://github.com/psf/black
+        rev: 19.3b0
+        hooks:
+        -   id: black
+    -   repo: https://github.com/pre-commit/pre-commit-hooks
+        rev: v1.2.3
+        hooks:
+        - id: flake8
+          args: ["--ignore=E203,W503,E501"]
+    -   repo: https://github.com/asottile/reorder_python_imports
+        rev: v1.4.0
+        hooks:
+        - id: reorder-python-imports
+          language_version: python3

Dockerfile

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+FROM python:3.7
+
+WORKDIR /usr/src/app
+
+# dont write pyc files
+# dont buffer to stdout/stderr
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+COPY ./requirements.txt /usr/src/app/requirements.txt
+
+# dependencies
+RUN pip install --upgrade pip setuptools wheel \
+    && pip install -r requirements.txt \
+    && rm -rf /root/.cache/pip
+
+COPY ./ /usr/src/app

README.md

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+# streamlit-docker-example
+
+Example on how to run and develop a streamlit application inside docker.

app/main.py

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+import streamlit as st
+
+st.title("Hi from streamlit inside docker")
+st.write("looks like this works properly.")
+st.write("What happens if you change the file?")

docker-compose.yml

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+version: '3.7'
+
+services:
+    api:
+        build: ./
+        command: streamlit run app/main.py --server.port 8501
+        volumes:
+            - ./:/usr/src/app
+        ports:
+            - 8501:8501
+        image: yourstreamlitapp:latest

requirements.txt

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+streamlit