From 55b1fe013fd9b68bcd41c1ff0b555bde0998bd56 Mon Sep 17 00:00:00 2001
From: thelamer <ryankuba@gmail.com>
Date: Mon, 1 Nov 2021 11:22:18 -0700
Subject: [PATCH] add subfolder env var docs and set home on backend launch

---
 README.md                       | 3 +++
 readme-vars.yml                 | 3 +++
 root/etc/services.d/backend/run | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 210c7c2..c8bd744 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,7 @@ services:
       - PUID=1000
       - PGID=1000
       - TZ=Europe/London
+      - SUBFOLDER=/ #optional
     volumes:
       - /path/to/data:/data
     ports:
@@ -106,6 +107,7 @@ docker run -d \
   -e PUID=1000 \
   -e PGID=1000 \
   -e TZ=Europe/London \
+  -e SUBFOLDER=/ `#optional` \
   -p 3000:3000 \
   -p 80:80 \
   -p 4001:4001 `#optional` \
@@ -126,6 +128,7 @@ Container images are configured using parameters passed at runtime (such as thos
 | `-e PUID=1000` | for UserID - see below for explanation |
 | `-e PGID=1000` | for GroupID - see below for explanation |
 | `-e TZ=Europe/London` | Specify a timezone to use EG Europe/London |
+| `-e SUBFOLDER=/` | Specify a subfolder for reverse proxies IE '/FOLDER/' |
 | `-v /data` | Path to store roms/artwork |
 
 ## Environment variables from files (Docker secrets)
diff --git a/readme-vars.yml b/readme-vars.yml
index 2ab4c44..e86e1f8 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -30,6 +30,9 @@ param_env_vars:
 opt_param_usage_include_ports: true
 opt_param_ports:
   - { external_port: "4001", internal_port: "4001", port_desc: "IPFS peering port, if you want to participate in the P2P network to distribute frontend artwork please forward this to the Internet" }
+opt_param_usage_include_env: true
+opt_param_env_vars:
+  - { env_var: "SUBFOLDER", env_value: "/", desc: "Specify a subfolder for reverse proxies IE '/FOLDER/'"}
 
 # application setup block
 app_setup_block_enabled: true
diff --git a/root/etc/services.d/backend/run b/root/etc/services.d/backend/run
index 43f03e6..3b86749 100644
--- a/root/etc/services.d/backend/run
+++ b/root/etc/services.d/backend/run
@@ -1,5 +1,5 @@
 #!/usr/bin/with-contenv bash
 
 cd /emulatorjs || exit
-exec \
+HOME=/data exec \
     s6-setuidgid abc node index.js