Change build method to multistage build

pleroma/Dockerfile

@@ -4,7 +4,7 @@
 # Copyright (c) 2018 Angristan
 
 
-FROM elixir:1.9-alpine
+FROM elixir:1.9-alpine AS build
 
 ENV UID=911 GID=911 \
     MIX_ENV=prod
@@ -25,7 +25,7 @@ RUN addgroup -g ${GID} pleroma \
     && adduser -h /pleroma -s /bin/sh -D -G pleroma -u ${UID} pleroma
 
 USER pleroma
-WORKDIR pleroma
+WORKDIR /pleroma
 
 RUN git clone -b develop https://git.pleroma.social/pleroma/pleroma.git /pleroma \
     && git checkout ${PLEROMA_VER}
@@ -38,6 +38,32 @@ RUN mix local.rebar --force \
     && mkdir release \
     && mix release --path release
 
-VOLUME /pleroma/uploads/
+FROM alpine:3.9
 
-CMD ["./release/bin/pleroma", "start"]
+ENV UID=911 GID=911
+
+ARG HOME=/opt/pleroma
+ARG DATA=/var/lib/pleroma
+
+RUN apk -U upgrade \
+    && apk add --no-cache \
+       imagemagick \
+       ncurses
+
+RUN addgroup -g ${GID} pleroma \
+    && adduser -h ${HOME} -s /bin/sh -D -G pleroma -u ${UID} pleroma \
+    && mkdir -p ${DATA}/uploads \
+	&& mkdir -p ${DATA}/static \
+	&& chown -R pleroma ${DATA} \
+	&& mkdir -p /etc/pleroma \
+	&& chown -R pleroma /etc/pleroma
+
+USER pleroma
+
+COPY --from=build --chown=pleroma:pleroma /pleroma/release ${HOME}
+
+RUN touch /etc/pleroma/config.exs
+
+EXPOSE 4000
+
+CMD ["/opt/pleroma/bin/pleroma", "start"]

pleroma/script/pl-update.sh

@@ -2,7 +2,7 @@
 set -uxe
 
 sudo docker-compose -f ~/pl.asterism.xyz/pleroma/pl-asterism-xyz.manage.yml pull
-sudo docker-compose -f ~/pl.asterism.xyz/pleroma/pl-asterism-xyz.manage.yml run --rm web ./release/bin/pleroma_ctl migrate
+sudo docker-compose -f ~/pl.asterism.xyz/pleroma/pl-asterism-xyz.manage.yml run --rm web /opt/pleroma/bin/pleroma_ctl migrate
 sudo docker stack deploy pleroma -c ~/pl.asterism.xyz/pleroma/pl-asterism-xyz.yml
 sudo docker system prune --force
 sudo docker node ls |grep Ready|awk '$2{print$2}'|grep -v "*"|xargs -L 1 -I {} ssh user@{} -i ~/key.pem "sudo docker system prune --force"