Initial implementation of the containerfile

Containerfile

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+# The build stage uses debian:11 which is the same
+# base image as openjdk:11
+FROM docker.io/library/debian:11 AS builder
+
+ARG version=1.0.4
+
+RUN mkdir --parents /source
+ADD https://github.com/sevdokimov/log-viewer/releases/download/v$version/log-viewer-$version.tar.gz /source/release.tar.gz
+RUN ls /source/
+RUN tar -C /source/ -xf /source/release.tar.gz
+RUN mv /source/log-viewer-$version /source/log-viewer
+
+FROM docker.io/library/openjdk:11
+
+RUN mkdir --parents /app /logs
+
+# Copy files from log-viewer release
+COPY --from=builder /source/log-viewer/lib /app/lib
+COPY --from=builder /source/log-viewer/logviewer.sh /app/logviewer.sh
+COPY --from=builder /source/log-viewer/config.conf /config.conf
+
+# expose the port the the service will run on
+EXPOSE 8111
+
+# command that is executed when the docker container starts
+CMD ["java", "-ea", "-Dlog-viewer.config-file=/config.conf", "-jar", "/app/lib/log-viewer-cli-1.0.4.jar", "startup"]