added Dockerfile

Author: alash3al

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.21-alpine As builder
+
+WORKDIR /phoo/
+
+RUN apk update && apk add git upx
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN CGO_ENABLED=0 go build -ldflags "-s -w" -o /usr/bin/phoo ./cmd/
+
+RUN upx -9 /usr/bin/phoo
+
+FROM alpine
+
+WORKDIR /phoo/
+
+COPY --from=builder /usr/bin/phoo /usr/bin/phoo