Add Docker image and Docker compose

Dockerfile

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+FROM python:3.10.5-slim-bullseye
+
+WORKDIR /app
+
+# Install dependencies and create user
+# We have to install and old version of Chromium because its not working in Raspberry Pi / ARM
+# You can test Chromium running this command inside the container:
+#    xvfb-run -s "-screen 0 1600x1200x24" chromium --no-sandbox
+# The error traces is like this: "*** stack smashing detected ***: terminated"
+# To check the package versions available you can use this command:
+#    apt-cache madison chromium
+RUN echo "\ndeb http://snapshot.debian.org/archive/debian/20210519T212015Z/ bullseye main" >> /etc/apt/sources.list \
+    && echo 'Acquire::Check-Valid-Until "false";' | tee /etc/apt/apt.conf.d/00snapshot \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends chromium=89.0.4389.114-1 chromium-common=89.0.4389.114-1 \
+        chromium-driver=89.0.4389.114-1 xvfb xauth \
+    # Clean
+    && rm -rf /var/lib/apt/lists/* \
+    # Create user
+    && useradd --home-dir /app --shell /bin/sh flaresolverr \
+    && mv /usr/bin/chromedriver chromedriver \
+    && chown -R flaresolverr:flaresolverr .
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install -r requirements.txt \
+    # remove temporary files
+    && rm -rf /root/.cache \
+    && find / -name '*.pyc' -delete
+
+USER flaresolverr
+
+COPY src .
+COPY docker/entrypoint.sh .
+COPY package.json ../
+
+EXPOSE 8191
+
+CMD ["/bin/sh", "/app/entrypoint.sh"]
+
+# docker build -t flaresolverr:3.0.0.beta1 .
+# docker run -p 8191:8191 flaresolverr:3.0.0.beta1