refactor(dockerfile): separate nginx config from `Dockerfile`

Dockerfile

@@ -8,34 +8,6 @@ COPY . .
 RUN yarn build
 
 FROM nginx:1.20.2-alpine as app
-RUN echo $'server { \n\
-  gzip on;\n\
-  listen       80; \n\
-  listen  [::]:80; \n\
-  server_name  localhost; \n\
-  \n\
-  location / { \n\
-  root /usr/share/nginx/html; \n\
-  index  index.html; \n\
-  try_files $uri $uri/ /index.html; \n\
-  } \n\
-  \n\
-  location @rewrites { \n\
-  rewrite ^(.*)$ /index.html last; \n\
-  } \n\
-  \n\
-  location /api/ { \n\
-  proxy_buffer_size 128k; \n\
-  proxy_buffers 16 32k; \n\
-  proxy_busy_buffers_size 128k; \n\
-  proxy_set_header  Host $host; \n\
-  proxy_set_header  X-Real-IP $remote_addr; \n\
-  proxy_set_header  X-Forwarded-For $remote_addr; \n\
-  proxy_set_header  X-Forwarded-Host $remote_addr; \n\
-  proxy_set_header  X-NginX-Proxy true; \n\
-  proxy_pass        http://localhost:3000/; \n\
-  } \n\
-  }' > /etc/nginx/conf.d/default.conf
 
 COPY --from=build /app/package.json /usr/local/lib/
 
@@ -44,6 +16,7 @@ RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/v3.14/m
   && npm i -g $(awk -F \" '{if($2=="NeteaseCloudMusicApi") print $2"@"$4}' /usr/local/lib/package.json) \
   && rm -f /usr/local/lib/package.json
 
+COPY --from=build /app/docker/nginx.conf.example /etc/nginx/conf.d/default.conf
 COPY --from=build /app/dist /usr/share/nginx/html
 
 CMD nginx ; exec npx NeteaseCloudMusicApi

docker/nginx.conf.example

@@ -0,0 +1,28 @@
+server {
+  gzip on;
+  listen       80;
+  listen  [::]:80;
+  server_name  localhost;
+
+  location / {
+    root      /usr/share/nginx/html;
+    index     index.html;
+    try_files $uri $uri/ /index.html;
+  }
+
+  location @rewrites {
+    rewrite ^(.*)$ /index.html last;
+  }
+
+  location /api/ {
+    proxy_buffers           16 32k;
+    proxy_buffer_size       128k;
+    proxy_busy_buffers_size 128k;
+    proxy_set_header        Host $host;
+    proxy_set_header        X-Real-IP $remote_addr;
+    proxy_set_header        X-Forwarded-For $remote_addr;
+    proxy_set_header        X-Forwarded-Host $remote_addr;
+    proxy_set_header        X-NginX-Proxy true;
+    proxy_pass              http://localhost:3000/;
+  }
+}