Initial release

Dockerfile

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+FROM golang:1.16-alpine AS builder
+RUN apk update && apk add --no-cache git && apk add -U --no-cache ca-certificates
+WORKDIR /app/
+ADD go.mod go.sum ./
+RUN go mod download
+ADD . .
+RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-w -s" -o gopengraph-image-gen .
+
+FROM westy92/headless-chrome-alpine
+WORKDIR /app/
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /app/gopengraph-image-gen /app/gopengraph-image-gen
+RUN mkdir -p /tmp
+ENTRYPOINT ["/app/gopengraph-image-gen"]