Add Dockerfile/.dockerignore files

.dockerignore

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+# Source
+.bumpversion.cfg
+.dockerignore
+.gitignore
+.travis.yml
+CONTRIBUTING.rst
+docker-compose.yml
+Dockerfile
+requirements.txt
+tests.py
+tox.ini
+
+# Generated
+.tox
+.coverage
+*.rdb
+junit*xml
+
+# Other
+.project

Dockerfile

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+FROM python:3.3
+
+ENV APP_DIR=/usr/src/snappass
+
+RUN groupadd -r snappass && \
+    useradd -r -g snappass snappass && \
+    mkdir -p $APP_DIR
+
+WORKDIR $APP_DIR
+
+COPY ["setup.py", "MANIFEST.in", "README.rst", "AUTHORS.rst", "$APP_DIR/"]
+COPY ["./snappass", "$APP_DIR/snappass"]
+
+RUN python setup.py install && \
+    chown -R snappass $APP_DIR && \
+    chgrp -R snappass $APP_DIR
+
+USER snappass
+
+# Default Flask port
+EXPOSE 5000
+
+CMD ["snappass"]