add docker file

.dockerignore

@@ -0,0 +1,3 @@
+openai-api-route
+db.sqlite
+/upstreams.yaml

Dockerfile

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+FROM golang:1.21 as builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN make
+
+FROM alpine
+
+COPY --from=builder /app/openai-api-route /openai-api-route
+
+ENTRYPOINT ["/openai-api-route"]