Added radicale container

radicale/build/Dockerfile

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+FROM alpine:3.14
+
+ARG COMMIT_ID
+ENV COMMIT_ID ${COMMIT_ID}
+
+ARG VERSION
+ENV VERSION ${VERSION:-3.1.8}
+
+ARG BUILD_UID
+ENV BUILD_UID ${BUILD_UID:-2999}
+
+ARG BUILD_GID
+ENV BUILD_GID ${BUILD_GID:-2999}
+
+ARG TAKE_FILE_OWNERSHIP
+ENV TAKE_FILE_OWNERSHIP ${TAKE_FILE_OWNERSHIP:-true}
+
+LABEL maintainer="Mark <mark@betalupi.com>" \
+	  org.label-schema.name="Radicale Docker Image" \
+	  org.label-schema.description="Docker image for Radicale, the CalDAV/CardDAV server"
+
+RUN apk add --no-cache --virtual=build-dependencies \
+		gcc \
+		musl-dev \
+		libffi-dev \
+		python3-dev \
+	&& apk add --no-cache \
+		curl \
+		git \
+		openssh \
+		shadow \
+		su-exec \
+		tzdata \
+		wget \
+		python3 \
+		py3-tz \
+		py3-pip \
+	&& python3 -m pip install --upgrade pip \
+	&& python3 -m pip install radicale==$VERSION passlib[bcrypt] \
+	&& apk del --purge build-dependencies \
+	&& addgroup -g $BUILD_GID radicale \
+	&& adduser -D -s /bin/false -H -u $BUILD_UID -G radicale radicale \
+	&& mkdir -p /config /data \
+	&& chmod -R 770 /data \
+	&& chown -R radicale:radicale /data \
+	&& rm -fr /root/.cache
+
+COPY config /config/config
+
+HEALTHCHECK --interval=30s --retries=3 CMD curl --fail http://localhost:5232 || exit 1
+VOLUME /config /data
+EXPOSE 5232
+
+COPY start.sh /usr/local/bin
+ENTRYPOINT ["/usr/local/bin/start.sh"]
+CMD ["radicale", "--config", "/config/config"]

radicale/build/start.sh

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+#!/bin/sh
+
+set -e
+
+# Change uid/gid of radicale if vars specified
+if [ -n "$UID" ] || [ -n "$GID" ]; then
+	if [ ! "$UID" = "$(id radicale -u)" ] || [ ! "$GID" = "$(id radicale -g)" ]; then
+		# Fail on read-only container
+		if grep -e "\s/\s.*\sro[\s,]" /proc/mounts > /dev/null; then
+			echo "You specified custom UID/GID (UID: $UID, GID: $GID)."
+			echo "UID/GID can only be changed when not running the container with --read-only."
+			echo "Please see the README.md for how to proceed and for explanations."
+			exit 1
+		fi
+
+		if [ -n "$UID" ]; then
+			usermod -o -u "$UID" radicale
+		fi
+
+		if [ -n "$GID" ]; then
+			groupmod -o -g "$GID" radicale
+		fi
+	fi
+fi
+
+# If requested and running as root, mutate the ownership of bind-mounts
+if [ "$(id -u)" = "0" ] && [ "$TAKE_FILE_OWNERSHIP" = "true" ]; then
+	chown -R radicale:radicale /data
+fi
+
+# Run radicale as the "radicale" user or any other command if provided
+if [ "$(id -u)" = "0" ] && [ "$1" = "radicale" ]; then
+	exec su-exec radicale "$@"
+else
+	exec "$@"
+fi