From 7b583d816bdd6b5e60a995ac257167a2a71e4573 Mon Sep 17 00:00:00 2001
From: Jamie Curnow <jc@jc21.com>
Date: Tue, 11 Jan 2022 11:01:29 +1000
Subject: [PATCH] Adds better support for acme.sh install out of the box

---
 docker/Dockerfile.acmesh | 17 ++++++++++++++---
 files/acme.sh-wrapper    | 15 +++++++++++++++
 2 files changed, 29 insertions(+), 3 deletions(-)
 create mode 100755 files/acme.sh-wrapper

diff --git a/docker/Dockerfile.acmesh b/docker/Dockerfile.acmesh
index 51776f2..d52a4dd 100644
--- a/docker/Dockerfile.acmesh
+++ b/docker/Dockerfile.acmesh
@@ -9,8 +9,19 @@ ENV CURL_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
 COPY ./files/.bashrc.acmesh /root/.bashrc
 
 # acme.sh
-RUN mkdir -p /data/acme.sh \
-	&& curl -o /bin/acme.sh 'https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme.sh' \
-	&& chmod +x /bin/acme.sh
+RUN curl -o /tmp/acme.sh 'https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme.sh' \
+	&& chmod +x /tmp/acme.sh
+
+ENV ACMESH_CONFIG_HOME=/data/.acme.sh/config \
+	ACMESH_HOME=/data/.acme.sh \
+	CERT_HOME=/data/.acme.sh/certs \
+	LE_CONFIG_HOME=/data/.acme.sh/config \
+	LE_WORKING_DIR=/data/.acme.sh
+
+# this wrapper handles all the setup required for acme.sh and running commands for it
+COPY ./files/acme.sh-wrapper /bin/acme.sh
+
+# Test that the wrapper script is working
+RUN /bin/acme.sh -h
 
 LABEL org.label-schema.cmd="docker run --rm -ti nginxproxymanager/nginx-full:acmesh"
diff --git a/files/acme.sh-wrapper b/files/acme.sh-wrapper
new file mode 100755
index 0000000..3c4b58a
--- /dev/null
+++ b/files/acme.sh-wrapper
@@ -0,0 +1,15 @@
+#!/bin/bash -e
+
+# Ensure acme.sh dirs exist
+mkdir -p "$ACMESH_HOME" "$ACMESH_CONFIG_HOME" "$CERT_HOME" "$LE_CONFIG_HOME" "$LE_WORKING_DIR"
+
+ACMESH_SCRIPT=/data/.acme.sh/acme.sh
+
+# Check for existence of $ACME_SH_SCRIPT
+if ! [ -f "$ACMESH_SCRIPT" ]; then
+	echo "$ACMESH_SCRIPT does not exist, installing acme.sh ..."
+	cd /tmp
+	./acme.sh --install --force --home "$ACMESH_HOME" --cert-home "$CERT_HOME" --config-home "$ACMESH_CONFIG_HOME"
+fi
+
+$ACMESH_SCRIPT --config-home "$ACMESH_CONFIG_HOME" "$@"