Draft stolon update

app/docker-compose.yml

@@ -90,6 +90,16 @@ services:
         VERSION: 3.4.14-0+deb10u1
     image: superboum/amd64_postfix:v3
 
+  postgres:
+    build:
+      args:
+        # https://github.com/sorintlab/stolon/releases
+        STOLON_VERSION: v0.16.0
+        # https://packages.debian.org/fr/stretch/postgresql-all
+        PG_VERSION: 9.6+181+deb9u3
+      context: ./postgres/build/postgres
+    image: superboum/amd64_postgres:v4
+
   backup-consul:
     build:
       context: ./backup/build/backup-consul

app/postgres/build/postgres/Dockerfile

@@ -1,13 +1,19 @@
 FROM amd64/debian:stretch
 
+ARG STOLON_VERSION
+ARG PG_VERSION
+
 RUN echo "deb http://deb.debian.org/debian stretch-backports main contrib non-free # available after stretch release" > /etc/apt/sources.list.d/stretch-backports.list && \
     apt-get update && \
     apt-get -qq -y full-upgrade && \
-    apt-get install -y postgresql-all golang-1.11 git && \
+    apt-get install -y \
+      postgresql-all=${PG_VERSION} \
+      golang-1.11 \
+      git && \
     export GOPATH=/usr/local/go && \
     mkdir -p /usr/local/go/src/github.com/sorintlab && \
     cd /usr/local/go/src/github.com/sorintlab && \
-    git clone --depth=1 https://github.com/sorintlab/stolon && \
+    git clone --depth 1 --branch ${STOLON_VERSION} https://github.com/sorintlab/stolon && \
     ln -s /usr/lib/go-1.11/bin/go /usr/bin/go && \
     ln -s /usr/lib/go-1.11/bin/gofmt /usr/bin/gofmt && \
     cd ./stolon && \

app/postgres/build/postgres/README.md

@@ -1,4 +0,0 @@
-```
-docker build -t superboum/arm32v7_postgres .
-docker build -t superboum/amd64_postgres:v2 .
-```