allow user configs without custom image

README.md

@@ -11,13 +11,12 @@ This repository was originally forked from `@henridwyer`, many thanks to him for
 
 # Usage
 
-Use this image with a `Dockerfile` such as:
-```Dockerfile
-FROM staticfloat/nginx-certbot
-COPY *.conf /etc/nginx/conf.d/
+Create a config directory for your custom configs:
+```
+mkdir conf.d
 ```
 
-And a `.conf` file such as:
+And a `.conf` file such as in that directory:
 ```nginx
 server {
     listen              443 ssl;
@@ -43,6 +42,8 @@ services:
             - 443:443/tcp
         environment:
             - CERTBOT_EMAIL=owner@company.com
+        volumes:
+          - ./conf.d:/etc/nginx/user.conf.d
   ...
 ```
 

example/Dockerfile

@@ -1,2 +0,0 @@
-FROM staticfloat/nginx-certbot
-COPY *.conf /etc/nginx/conf.d/

example/docker-compose.yml

@@ -2,10 +2,12 @@ version: '3'
 
 services:
   proxy:
-    build: .
+    image: staticfloat/nginx-certbot
     restart: always
     environment:
       CERTBOT_EMAIL: "your.email@example.com"
     ports:
       - "80:80"
       - "443:443"
+    volumes:
+      - ./conf.d:/etc/nginx/user.conf.d

src/scripts/startup/link_user_configs.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+SOURCE_DIR=/etc/nginx/user.conf.d
+TARGET_DIR=/etc/nginx/conf.d
+
+echo "symlinking scripts from ${SOURCE_DIR} to ${TARGET_DIR}"
+
+if [ ! -d "$SOURCE_DIR" ]; then
+    echo "no ${SOURCE_DIR}, nothing to do."
+else
+    for conf in ${SOURCE_DIR}/*.conf; do
+        echo "symlinking: ${conf}" "${TARGET_DIR}/$(basename ${conf})"
+        ln -s "${conf}" "${TARGET_DIR}/$(basename ${conf})"
+    done
+fi