diff --git a/Dockerfile b/Dockerfile
index 5beaf95..abbee67 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,23 +1,13 @@
 FROM golang:1.17-alpine3.15 AS builder
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 WORKDIR /app
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 RUN apk -U --no-cache add git
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 COPY . .
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 RUN go build
 
 FROM alpine:3.15
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 LABEL LastUpdate="2022-04-04"
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 COPY --from=builder /app/telegram-group2mastodon /bin/telegram-group2mastodon
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 RUN apk -U --no-cache upgrade
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 RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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 USER appuser
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 ENTRYPOINT /bin/telegram-group2mastodon run