initial commit

Dockerfile

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+FROM alpine:3.20.2
+
+# build args and defaults
+ARG BUILD_DATE="not-set"
+ARG REVISION="unknown"
+ARG VERSION="dev-build"
+
+# set some labels
+LABEL org.opencontainers.image.created="$BUILD_DATE" \
+      org.opencontainers.image.base.name="alpine:3.20.2" \
+      org.opencontainers.image.documentation="https://github.com/yungwood/ical-filter-proxy/tree/main/README.md" \
+      org.opencontainers.image.licenses="MIT" \
+      org.opencontainers.image.source="https://github.com/yungwood/ical-filter-proxy" \
+      org.opencontainers.image.revision="$REVISION" \
+      org.opencontainers.image.title="iCal Filter Proxy" \
+      org.opencontainers.image.description="iCal proxy with support for user-defined filtering rules" \
+      org.opencontainers.image.version="$VERSION"
+
+# install dependencies
+RUN apk --no-cache add gcompat=1.1.0-r4
+
+# create a group and user
+RUN addgroup -S icalfilterproxy && adduser -S -G icalfilterproxy icalfilterproxy
+
+# switch to app user
+USER icalfilterproxy
+
+# set working dir
+WORKDIR /app
+
+# copy binary
+COPY ical-filter-proxy /usr/bin/ical-filter-proxy
+
+# expose port, define entrypoint
+EXPOSE 8080/tcp
+ENTRYPOINT ["/usr/bin/ical-filter-proxy"]
+CMD ["-config", "/app/config.yaml"]