Update Dockerfile

Dockerfile

@@ -1 +1,13 @@
-FROM ghcr.io/zbronya/free-chat-to-api:latest
+FROM golang:1.22 AS builder
+WORKDIR /app
+RUN git clone https://github.com/missuo/FreeDuckDuckGo.git
+COPY /app/FreeDuckDuckGo/main.go ./
+COPY /app/FreeDuckDuckGo/go.mod ./
+COPY app/FreeDuckDuckGo/go.sum ./
+RUN go get -d -v ./
+RUN CGO_ENABLED=0 go build -a -installsuffix cgo -o FreeDuckDuckGo .
+
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/FreeDuckDuckGo /app/FreeDuckDuckGo
+CMD ["/app/FreeDuckDuckGo"]