move Dockerfiles to docker/; update README

docker/Dockerfile_only_txt

@@ -0,0 +1,47 @@
+ARG BASE_IMAGE=python:3.11-alpine
+FROM $BASE_IMAGE
+
+# https://docs.docker.com/engine/reference/builder/
+
+# For debugging
+# docker run --rm -v "$(pwd)":/files:ro extract_otp_secrets_only_txt
+# docker build . -t extract_otp_secrets_only_txt -f Dockerfile_only_txt --pull --build-arg RUN_TESTS=false
+# docker run --entrypoint /bin/ash -it --rm -v "$(pwd)":/files:ro extract_otp_secrets_only_txt -l
+# docker run --entrypoint /extract/run_pytest.sh --rm -v "$(pwd)":/files:ro extract_otp_secrets_only_txt extract_otp_secrets_test.py -k "not qreader" --relaxed -vvv -s
+
+# https://github.com/pypa/manylinux/blob/main/docker/Dockerfile
+
+WORKDIR /extract
+
+COPY requirements*.txt src/ run_pytest.sh pytest.ini tests/ example_*.txt example_*.png example_*.csv example*.json docker/.alias ./
+
+ARG RUN_TESTS=true
+
+RUN apk add --no-cache \
+        jpeg \
+        zlib \
+    && echo "Arch: $(apk --print-arch)" \
+    && if [[ "$(apk --print-arch)" == "aarch64" ]]; then apk add --no-cache --virtual .build-deps \
+        gcc \
+        jpeg-dev \
+        libc-dev \
+        py3-setuptools \
+        python3-dev \
+        zlib-dev \
+    ; fi \
+    && pip install --no-cache-dir -U \
+        colorama \
+        Pillow \
+        protobuf \
+        qrcode \
+    && if [[ "$(apk --print-arch)" == "aarch64" ]]; then apk del .build-deps; fi \
+    && if [[ "$RUN_TESTS" == "true" ]]; then /extract/run_pytest.sh extract_otp_secrets_test.py -k "not qreader" --relaxed; else echo "Not running tests..."; fi \
+    && echo 'test -s /extract/.alias && . /extract/.alias || true' >> ~/.profile
+
+WORKDIR /files
+
+ENTRYPOINT ["python", "/extract/extract_otp_secrets.py"]
+
+LABEL org.opencontainers.image.source https://github.com/scito/extract_otp_secrets
+LABEL org.opencontainers.image.license GPL-3.0+
+LABEL maintainer="Scito https://scito.ch, https://github.com/scito"