init

Dockerfile

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+FROM golang:1.19
+
+# Set destination for COPY
+WORKDIR /app
+
+# Download Go modules
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code. Note the slash at the end, as explained in
+# https://docs.docker.com/engine/reference/builder/#copy
+COPY *.go ./
+
+# Build
+RUN CGO_ENABLED=0 go build -o /web
+
+# Expose
+EXPOSE 8081
+
+# Run
+CMD ["/web"]