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mailcow/data/Dockerfiles/acme/Dockerfile

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+FROM alpine:3.21
+
+LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
+
+RUN apk upgrade --no-cache \
+  && apk add --update --no-cache \
+  bash \
+  curl \
+  openssl \
+  bind-tools \
+  jq \
+  mariadb-client \
+  redis \
+  tini \
+  tzdata \
+  python3 \
+  acme-tiny
+
+COPY acme.sh /srv/acme.sh
+COPY functions.sh /srv/functions.sh
+COPY obtain-certificate.sh /srv/obtain-certificate.sh
+COPY reload-configurations.sh /srv/reload-configurations.sh
+COPY expand6.sh /srv/expand6.sh
+
+RUN chmod +x /srv/*.sh
+
+CMD ["/sbin/tini", "-g", "--", "/srv/acme.sh"]