Improve Web port Docker setup (#479)

docker/emscripten/Dockerfile

@@ -21,7 +21,14 @@ RUN cd /emsdk/upstream/emscripten && \
     git apply --check /tmp/libwasmfs_fetch.js.patch && \
     git apply /tmp/libwasmfs_fetch.js.patch
 
-COPY --chown=emscripten:emscripten . .
+COPY --chown=emscripten:emscripten 3rdparty/ ./3rdparty/
+COPY --chown=emscripten:emscripten LEGO1/ ./LEGO1/
+COPY --chown=emscripten:emscripten ISLE/ ./ISLE/
+COPY --chown=emscripten:emscripten miniwin/ ./miniwin/
+COPY --chown=emscripten:emscripten util/ ./util/
+COPY --chown=emscripten:emscripten CMake/ ./CMake/
+COPY --chown=emscripten:emscripten packaging/ ./packaging/
+COPY --chown=emscripten:emscripten CMakeLists.txt .
 
 RUN emcmake cmake -S . -B build -DISLE_BUILD_CONFIG=OFF -DISLE_DEBUG=OFF -DCMAKE_BUILD_TYPE=Release -DISLE_EMSCRIPTEN_HOST=/assets && \
     emmake cmake --build build -j 32
@@ -29,9 +36,9 @@ RUN emcmake cmake -S . -B build -DISLE_BUILD_CONFIG=OFF -DISLE_DEBUG=OFF -DCMAKE
 RUN echo "Fetching isle.pizza frontend..."; \
     git clone --depth 1 https://github.com/isledecomp/isle.pizza /tmp/isle.pizza;
 
-FROM nginx:alpine
+FROM openresty/openresty:alpine
 
-COPY docker/emscripten/nginx.conf /etc/nginx/nginx.conf
-COPY --from=builder /tmp/isle.pizza /usr/share/nginx/html
-COPY --from=builder /src/build/isle.* /usr/share/nginx/html
+COPY docker/emscripten/nginx.conf /usr/local/openresty/nginx/conf/nginx.conf
+COPY --from=builder /tmp/isle.pizza /usr/local/openresty/nginx/html
+COPY --from=builder /src/build/isle.* /usr/local/openresty/nginx/html
 EXPOSE 6931

docker/emscripten/nginx.conf

@@ -3,7 +3,43 @@ events {
 }
 
 http {
-  include /etc/nginx/mime.types;
+  init_by_lua_block {
+    function find_entry_in_dir(parent_dir, name_to_find)
+      local safe_parent_dir = string.gsub(parent_dir, "'", "'\\''")
+      local lower_name_to_find = string.lower(name_to_find)
+      local pipe = io.popen("ls -A '" .. safe_parent_dir .. "' 2>/dev/null")
+      if not pipe then return nil end
+
+      for entry in pipe:lines() do
+        if string.lower(entry) == lower_name_to_find then
+          pipe:close()
+          return entry
+        end
+      end
+      pipe:close()
+      return nil
+    end
+
+    function find_recursive_path(path_to_check)
+      local current_resolved_path = "/"
+
+      for component in string.gmatch(path_to_check, "([^/]+)") do
+        local found_entry = find_entry_in_dir(current_resolved_path, component)
+        if not found_entry then
+          return nil
+        end
+
+        if current_resolved_path == "/" then
+          current_resolved_path = current_resolved_path .. found_entry
+        else
+          current_resolved_path = current_resolved_path .. "/" .. found_entry
+        end
+      end
+      return current_resolved_path
+    end
+  }
+
+  include /usr/local/openresty/nginx/conf/mime.types;
 
   server {
     listen 6931;
@@ -14,14 +50,33 @@ http {
     add_header 'Cross-Origin-Resource-Policy' 'cross-origin';
 
     location / {
-      root /usr/share/nginx/html;
+      root /usr/local/openresty/nginx/html;
       index index.html isle.html;
       try_files $uri $uri/ =404;
     }
 
-    location ~* ^/assets/(.*)$ {
-      alias /assets/;
-      try_files /$1 /DATA/disk/$1 =404;
+    location /assets/ {
+      content_by_lua_block {
+        local request_uri = ngx.var.uri
+        local resolved_path = find_recursive_path(request_uri)
+
+        if not resolved_path then
+          local fallback_uri = ngx.re.sub(request_uri, [[^/assets/]], "/assets/DATA/disk/", "i")
+          resolved_path = find_recursive_path(fallback_uri)
+        end
+
+        if resolved_path then
+          ngx.exec("/internal" .. resolved_path)
+        else
+          ngx.exit(ngx.HTTP_NOT_FOUND)
+        end
+      }
+    }
+
+    location /internal/assets/ {
+      internal;
+      root /;
+      rewrite ^/internal(.*)$ $1 break;
     }
   }
 }

docker/emscripten/ssl_example/Caddyfile

@@ -0,0 +1,3 @@
+https://localhost:6932 {
+    reverse_proxy app:6931
+}

docker/emscripten/ssl_example/docker-compose.yml

@@ -0,0 +1,18 @@
+services:
+  app:
+    image: ghcr.io/isledecomp/isle-portable-emscripten:master
+    ports:
+      - "6931:6931"
+    volumes:
+      - ${ASSETS_PATH}:/assets
+
+  caddy:
+    image: caddy:latest
+    ports:
+      - "6932:6932"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+      - caddy_data:/data
+
+volumes:
+  caddy_data: