feat(container): config in-container host,port and configfile by envi…

…ronment variables && improve entrypoint.sh

Dockerfile

@@ -29,7 +29,7 @@ RUN \
     # LDAP client's depends ---
     && apk add --no-cache libsasl libldap \
     # create non-root user ---
-    && apk add --no-cache shadow \
+    && apk add --no-cache shadow su-exec\
     && addgroup -S -g $GID runner \
     && adduser -S -D -G runner -u $UID -s /bin/sh runner \
     # support timezone ---
@@ -45,7 +45,8 @@ WORKDIR /app
 VOLUME /data
 EXPOSE 8000
 
-ENTRYPOINT /app/entrypoint.sh
+ENTRYPOINT [ "/app/entrypoint.sh" ]
+CMD [ "asgi_webdav" ]
 
 LABEL org.opencontainers.image.title="ASGI WebDAV Server"
 LABEL org.opencontainers.image.authors="Rex Zhang"

docker/entrypoint.sh

@@ -1,21 +1,44 @@
 #!/bin/sh
 
-## set non-root user
-usermod -o -u "$UID" runner
-groupmod -o -g "$GID" runner
+# for dev
+if [ "$DEBUG" = "true" ]; then exec python; fi
 
-echo "
-------------------------
-User uid: $(id -u runner)
-User gid: $(id -g runner)
-------------------------
-"
+if [ "$1" == "asgi_webdav" ]; then
 
-echo "prepare..."
-chown -R runner:runner /data
+	## set non-root user
+	usermod -o -u "$UID" runner
+	groupmod -o -g "$GID" runner
 
-# run server
-su runner -c "python -m asgi_webdav -H 0.0.0.0 -c /data/webdav.json --logging-no-display-datetime --logging-no-use-colors"
+	echo "
+	------------------------
+	User uid: $(id -u runner)
+	User gid: $(id -g runner)
+	------------------------
+	"
 
-# for dev
-if [ "$DEBUG" = "true" ]; then python; fi
+	echo "prepare..."
+	chown -R runner:runner /data
+
+	if [ -z "$WEBDAV_HOST" ]; then
+		WEBDAV_HOST="0.0.0.0"
+	fi
+
+	if [ -z "$WEBDAV_PORT" ]; then
+		WEBDAV_PORT="8000"
+	fi
+
+	if [ -z "$WEBDAV_CONFIGFILE" ]; then
+		WEBDAV_CONFIGFILE="/data/webdav.json"
+	fi
+
+	exec su-exec runner \
+		python -m asgi_webdav \
+			--host "$WEBDAV_HOST" \
+			--port "$WEBDAV_PORT" \
+			--config "$WEBDAV_CONFIGFILE" \
+			--logging-no-display-datetime \
+			--logging-no-use-colors 
+
+fi
+
+exec $*