chore(docker): use standalone dockerfiles for multiarch

docker/Dockerfile.amd64

@@ -1,4 +1,4 @@
-FROM python:3.9-alpine
+FROM amd64/python:3.9-alpine
 
 LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>" \
     org.label-schema.name="ansible-doctor" \

docker/Dockerfile.arm

@@ -0,0 +1,22 @@
+FROM arm32v7/python:3.9-alpine
+
+LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>" \
+    org.label-schema.name="ansible-doctor" \
+    org.label-schema.vcs-url="https://github.com/thegeeklab/ansible-doctor" \
+    org.label-schema.vendor="Robert Kaussow" \
+    org.label-schema.schema-version="1.0"
+
+ENV PY_COLORS=1
+
+ADD dist/ansible_doctor-*.whl /
+
+RUN apk update && \
+    pip install --upgrade --no-cache-dir pip && \
+    pip install --no-cache-dir ansible_doctor-*.whl && \
+    rm -f ansible_doctor-*.whl && \
+    rm -rf /var/cache/apk/* && \
+    rm -rf /root/.cache/
+
+USER root
+CMD []
+ENTRYPOINT ["/usr/local/bin/ansible-doctor"]

docker/Dockerfile.arm64

@@ -0,0 +1,22 @@
+FROM arm64v8/python:3.9-alpine
+
+LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>" \
+    org.label-schema.name="ansible-doctor" \
+    org.label-schema.vcs-url="https://github.com/thegeeklab/ansible-doctor" \
+    org.label-schema.vendor="Robert Kaussow" \
+    org.label-schema.schema-version="1.0"
+
+ENV PY_COLORS=1
+
+ADD dist/ansible_doctor-*.whl /
+
+RUN apk update && \
+    pip install --upgrade --no-cache-dir pip && \
+    pip install --no-cache-dir ansible_doctor-*.whl && \
+    rm -f ansible_doctor-*.whl && \
+    rm -rf /var/cache/apk/* && \
+    rm -rf /root/.cache/
+
+USER root
+CMD []
+ENTRYPOINT ["/usr/local/bin/ansible-doctor"]