From a4f9306990091812ab132750b4b181f572298dbc Mon Sep 17 00:00:00 2001
From: Luke Murphy <lukewm@riseup.net>
Date: Sun, 14 Feb 2021 15:03:09 +0100
Subject: [PATCH] Hack that hack together

---
 .env.sample | 6 ++++--
 README.md   | 7 +++++++
 abra.sh     | 1 +
 3 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 abra.sh

diff --git a/.env.sample b/.env.sample
index 42f6370..b18f7cf 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,6 +1,8 @@
-TYPE=${REPO_NAME_KEBAB}
+TYPE=container
 
-DOMAIN=${REPO_NAME_KEBAB}.example.com
+DOMAIN=example.com
 LETS_ENCRYPT_ENV=production
 
 PORT=5000
+
+IMAGE=foo/bar:latest
diff --git a/README.md b/README.md
index 065c894..fdbcfa3 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,14 @@
 # container
 
+> status: experimental
+
 Deploy a single container.
 
+Because docker swarm refuses to allow end-users to substitute the image name
+with env vars, this app uses an absolutely heinous hack of
+[envsubst](https://www.gnu.org/software/gettext/manual/html_node/envsubst-Invocation.html)'ing
+the compose.file with the incoming env vars.
+
 ## Basic usage
 
 1. Set up Docker Swarm and [`abra`]
diff --git a/abra.sh b/abra.sh
new file mode 100644
index 0000000..16c3211
--- /dev/null
+++ b/abra.sh
@@ -0,0 +1 @@
+envsubst < compose.yml > compose.yml