Exec Bash just after sourcing stolon env

fly-apps · Oct 3, 2022 · 9ef05f8 · 9ef05f8
1 parent aa228da
commit 9ef05f8
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Showing 3 changed files with 12 additions and 6 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -56,7 +56,7 @@ RUN useradd -ms /bin/bash stolon
 RUN mkdir -p /run/haproxy/
 COPY --from=flyutil /fly/bin/* /usr/local/bin/
 
-ENV ENV="/fly/set-stolon-environment.sh"
+ENV ENV="/fly/shell-init"
 
 EXPOSE 5432
 

diff --git a/scripts/set-stolon-environment.sh b/scripts/set-stolon-environment.sh
diff --git a/scripts/shell-init b/scripts/shell-init
@@ -0,0 +1,11 @@
+#!/bin/dash
+# Dash sources this file according to POSIX envvar $ENV declared in Dockerfile
+# https://manpages.debian.org/stretch/dash/dash.1.en.html#Invocation
+
+if [ -f /data/.env ]; then
+  export $(cat /data/.env)
+fi
+
+# Upgrade to Bash shell
+unset ENV
+exec /bin/bash "$@"