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Simplifying and Optimizing the Dockerfile #1769

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15 changes: 11 additions & 4 deletions tutorials/matchmaker101/solution/frontend/Dockerfile
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Expand Up @@ -12,13 +12,20 @@
# See the License for the specific language governing permissions and
# limitations under the License.

FROM golang:alpine as go
# Multi-stage build to minimize the final image size
FROM golang:alpine AS builder
WORKDIR /app
ENV GO111MODULE=on

#Combined related RUN commands to reduce the number of layers
COPY . .
RUN go mod edit -replace open-match.dev/open-match@v0.0.0-dev=open-match.dev/open-match@v1.7.0
RUN go mod tidy
RUN go build -o frontend .
RUN go mod edit -replace open-match.dev/open-match@v0.0.0-dev=open-match.dev/open-match@v1.7.0 && \
go mod tidy && \
go build -o frontend .

# Stage 2: Create a minimal runtime image,Used alpine for the runtime image to keep it lightweight.
FROM alpine
WORKDIR /app
COPY --from=builder /app/frontend .

CMD ["/app/frontend"]