add Dockerfile, docker-compose.yml, and .dockerignore

.dockerignore

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+**/__pycache__
+**/.venv
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/bin
+**/charts
+**/docker-compose*
+**/compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

Dockerfile

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+# For more information, please refer to https://aka.ms/vscode-docker-python
+FROM python:3-slim
+
+# Keeps Python from generating .pyc files in the container
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Turns off buffering for easier container logging
+ENV PYTHONUNBUFFERED=1
+
+# Install pip requirements
+COPY requirements.txt .
+RUN python -m pip install -r requirements.txt
+
+WORKDIR /app
+COPY . /app
+
+# Creates a non-root user with an explicit UID and adds permission to access the /app folder
+# For more info, please refer to https://aka.ms/vscode-docker-python-configure-containers
+# RUN adduser -u 5678 --disabled-password --gecos "" appuser && chown -R appuser /app
+# USER appuser
+
+EXPOSE 7860
+
+# During debugging, this entry point will be overridden. For more information, please refer to https://aka.ms/vscode-docker-python-debug
+CMD ["python", "app.py"]

docker-compose.yml

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+services:
+  semanticbookrecommender:
+    image: semanticbookrecommender
+    build:
+      context: .
+      dockerfile: ./Dockerfile