fix: link clicks empty array validation

Dockerfile

@@ -1,4 +1,5 @@
 FROM alpine:edge as base
+
 WORKDIR /usr/src/app
 
 RUN apk update && apk add --no-cache \
@@ -19,8 +20,8 @@ RUN shards build --progress
 FROM base AS release
 RUN mkdir -p /usr/src/app/sqlite
 COPY --from=build /usr/src/app/db db
+COPY --from=build /usr/src/app/data data
 COPY --from=build /usr/src/app/bin /usr/local/bin
-COPY --from=build /usr/src/app/data /usr/local/data
 
 EXPOSE 4000/tcp
 CMD ["bit"]

README.md

@@ -1,6 +1,4 @@
-# bit
-
-> Lightning fast, lightweight and minimal self-hosted url shortener
+`latest` tag is unstable (Under development!)
 
 ## Benchmark
 

app/routes.cr

@@ -4,7 +4,7 @@ module App
   before_all do |env|
     env.response.headers["Access-Control-Allow-Origin"] = "*"
     env.response.headers["Access-Control-Allow-Methods"] = "GET, POST, PUT, DELETE, OPTIONS"
-    env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Accept, X-Api-Key"
+    env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Accept, Origin, X-Api-Key"
   end
 
   after_all do |env|

app/serializers/link.cr

@@ -16,7 +16,7 @@ module App::Serializers
         builder.field("id", @link.id)
         builder.field("refer", @refer)
         builder.field("origin", @link.url)
-        builder.field("clicks", @link.clicks.map { |click| App::Serializers::Click.new(click) })
+        builder.field("clicks", @link.clicks.try(&.map { |click| App::Serializers::Click.new(click) }) || [] of App::Serializers::Click)
       end
     end
   end

benchmark.sh

@@ -67,15 +67,17 @@ function measure {
                         --header "X-Api-Key: $api_key" \
                         --header "Content-Type: application/json" \
                         --data "{ \"url\": \"https://kagi.com\" }")
-
         refer=$(echo $response | awk -F'"' '/"refer":/{print $(NF-1)}')
+
         if [[ -n $refer ]]; then
             refer_links+=("$refer")
             if (( i % 100 == 0 )); then
                 echo "Created short link $i/$num_links"
             fi
         else
             echo "Failed to create short link $i"
+            echo $response
+            exit 1
         fi
     done