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https://github.com/aljazceru/njump.git
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9360749e29
Refactors the Dockerfile into multiple stages. First stage is to build the minified Tailwind CSS bundle. Next it builds the final Go binary. In the last step, it builds the Docker image that will run the application. Alpine has minimal with dependencies which gives us a smaller attack surface.
47 lines
893 B
Docker
47 lines
893 B
Docker
#### Tailwind CSS build stage
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FROM node:20 as tailwindbuilder
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# Set a temporary work directory
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WORKDIR /app/tailwind
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# Copy in the project files
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COPY . .
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# Install Tailwind CLI
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RUN npm install tailwindcss
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# Generate minified Tailwind CSS bundle
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RUN npx tailwind -i tailwind.css -o tailwind-bundle.min.css --minify
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#### Go build stage
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FROM golang:1.21.2 as gobuilder
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# Set a temporary work directory
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WORKDIR /app
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# Add necessary go files
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# Copy minified Tailwind CSS bundle
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COPY --from=tailwindbuilder /app/tailwind/tailwind-bundle.min.css ./static/tailwind-bundle.min.css
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# Build the go binary
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RUN CGO_ENABLED=0 GOOS=linux go build -o main .
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#### Build final image
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FROM alpine:latest
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RUN apk --no-cache add ca-certificates
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WORKDIR /root/
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# Copy Go binary
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COPY --from=gobuilder /app/main .
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# Run the application
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CMD ["./main"]
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