add optional feature for sftp webroot access, wip

.env.sample

@@ -26,3 +26,8 @@ COMPOSE_FILE="compose.yml"
 
 # Optionally handle all URL requests using a single file (commonly index.html)
 #SINGLE_PAGE_SITE_HANDLER=/index.html
+
+# Enable an SSH server to allow SFTP uploads to the web root
+#COMPOSE_FILE="$COMPOSE_FILE:compose.sftp.yml"
+#SECRET_SSH_PASSWORD_VERSION=v1
+#SSH_PORT="2222" # this doesn't work yet, maybe an abra bug?

compose.sftp.yml

@@ -0,0 +1,34 @@
+version: "3.8"
+services:
+  ssh:
+    image: lscr.io/linuxserver/openssh-server:latest
+    networks:
+      - proxy
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Etc/UTC
+      - PASSWORD_ACCESS=true
+      - USER_PASSWORD_FILE=/run/secrets/ssh_password
+      - USER_NAME=sftp
+    secrets:
+      - ssh_password
+    volumes:
+      - content:/content
+    ports:
+      - 2220:2222
+    deploy:
+      restart_policy:
+        condition: on-failure
+
+secrets:
+  ssh_password:
+    external: true
+    name: ${STACK_NAME}_ssh_password_${SECRET_SSH_PASSWORD_VERSION}
+
+volumes:
+  content:
+
+networks:
+  proxy:
+    external: true