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Commitdb3d8f7

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Optimize Docker build with bind mounts
This commit further optimize the Docker builds on top of PR#92 with:1. Add .dockerignore file to exclude non-source code files [1].2. Use Alpine image variant for build stage to reduce download size. golang:1.23.7-alpine is 200 MB smaller than golang:1.23.7 [2][3].3. Replace COPY instruction with RUN --mount=type=bind. Bind mounts do not add unnecessary layers to the cache [4][5].[1]:https://docs.docker.com/build-cloud/optimization/#dockerignore-files[2]:https://hub.docker.com/layers/library/golang/1.23.7-alpine/images/sha256-333d4ba78773b3a3ae9cf2cff8962df56effc5c9481faa355f211abf2baf175c[3]:https://hub.docker.com/layers/library/golang/1.23.7/images/sha256-2087a99c3235972660b3d35c1564d9d1a3f639dcace9c790acbabc7e938d1570[4]:https://docs.docker.com/build/building/best-practices/#add-or-copy[5]:https://docs.docker.com/build/cache/optimize/#use-bind-mountsSigned-off-by: Eng Zer Jun <engzerjun@gmail.com>
1 parent7145142 commitdb3d8f7

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‎.dockerignore

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.github
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.vscode
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script
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third-party
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.dockerignore
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.gitignore
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**/*.yml
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**/*.yaml
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**/*.md
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**/*_test.go
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LICENSE

‎Dockerfile

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FROM golang:1.23.7-alpine AS build
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ARG VERSION="dev"
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FROM golang:1.23.7 AS build
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# allow this step access to build arg
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ARG VERSION
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# Set the working directory
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WORKDIR /build
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RUN go env -w GOMODCACHE=/root/.cache/go-build
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# Install git
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RUN --mount=type=cache,target=/var/cache/apk \
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apk add git
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# Install dependencies
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COPY go.mod go.sum ./
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RUN --mount=type=cache,target=/root/.cache/go-build go mod download
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=bind,source=go.mod,target=go.mod \
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--mount=type=bind,source=go.sum,target=go.sum \
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go mod download
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COPY . ./
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# Build the server
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RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.commit=$(git rev-parse HEAD) -X main.date=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
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-o github-mcp-server cmd/github-mcp-server/main.go
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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--mount=type=bind,target=. \
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CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.commit=$(git rev-parse HEAD) -X main.date=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
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-o /bin/github-mcp-server cmd/github-mcp-server/main.go
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# Make a stage to run the app
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FROM gcr.io/distroless/base-debian12
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# Set the working directory
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WORKDIR /server
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# Copy the binary from the build stage
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COPY --from=build /build/github-mcp-server .
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COPY --from=build /bin/github-mcp-server .
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# Command to run the server
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CMD ["./github-mcp-server","stdio"]

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