Create Dockerfile

Dockerfile

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+# Use the base Docker image with necessary dependencies
+FROM circulartextapp/spaceread as base
+
+# Set the working directory to /app
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Define the username in the environment variable USERNAME with a default value
+ARG USERNAME=default_user
+ENV USERNAME=$USERNAME
+
+# Check if the user already exists
+RUN if id "$USERNAME" >/dev/null 2>&1; then \
+      echo "User $USERNAME already exists."; \
+    else \
+      useradd -m -u 1000 -s /bin/bash "$USERNAME"; \
+    fi
+
+# Set appropriate permissions for the application directory
+RUN chown -R "$USERNAME":"$USERNAME" /app && chmod -R 755 /app
+
+# Switch to the user for improved security
+USER "$USERNAME"
+
+# Intermediate image with additional packages
+FROM debian:bullseye-slim as packages
+
+# Install gosu using apt-get
+RUN apt-get update && apt-get install -y gosu && rm -rf /var/lib/apt/lists/*
+
+# Final image
+FROM base
+
+# Copy gosu from the packages image
+COPY --from=packages /usr/sbin/gosu /usr/sbin/gosu
+
+# Set the entrypoint script as executable
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+# Define the entrypoint script to handle user creation and application startup
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+
+# Default command to run if the user doesn't provide a command
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860", "--reload"]