From 3c512c77880418cfad769bb9284dd8eb8d3326d0 Mon Sep 17 00:00:00 2001
From: sn0w <sn0w@posteo.de>
Date: Sun, 30 Dec 2018 14:30:36 +0100
Subject: [PATCH] Move compilation into entrypoint; Call entrypoint on build

---
 Dockerfile    |  5 +----
 entrypoint.sh | 13 +++++++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 37c78a7..f2f9005 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -70,8 +70,7 @@ RUN \
 
 # Precompile
 RUN \
-       mix deps.get \
-    && mix compile
+       NO_CONFIG=1 COMPILE_ONLY=1 /entrypoint.sh
 
 # Prepare runtime config
 RUN \
@@ -80,5 +79,3 @@ RUN \
 
 # Insert overrides
 COPY --chown=pleroma:pleroma ./custom.d /home/pleroma/pleroma
-
-# Recompiles at runtime if custom.d contained elixir code.
diff --git a/entrypoint.sh b/entrypoint.sh
index 68c1d3b..a2c2a8e 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -3,15 +3,20 @@
 set -e
 set -x
 
-# Generate a config file
-ruby /conf/parser.rb /conf/config.yml > config/runtime-config.exs
+if [[ -z "$NO_CONFIG" ]]; then
+    ruby /conf/parser.rb /conf/config.yml > config/runtime-config.exs
+fi
 
-# Recompile if needed
-if [[ ! -z "$RECOMPILE" ]]; then
+if [[ -n "$COMPILE_ONLY" ]]; then
     mix deps.get
     mix compile
+    exit 0
 fi
 
+# Assume that dependencies are compiled and ready to go.
+# Remove this assumption when https://github.com/erlang/rebar3/issues/1627 is fixed.
+mix compile
+
 # Migrate db
 mix ecto.create
 mix ecto.migrate