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build/images/openim-msgtransfer/Dockerfile

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+# Use Go 1.22 Alpine as the base image for building the application
+FROM golang:1.22-alpine AS builder
+
+# Install git for repository access
+RUN apk add --no-cache git ca-certificates
+
+# Define the base directory for the application as an environment variable
+ENV SERVER_DIR=/openim-server
+
+# Set the working directory inside the container based on the environment variable
+WORKDIR $SERVER_DIR
+
+# Copy protocol directory first (must be before COPY . . to avoid conflicts)
+# This copies protocol to /protocol, which is ../protocol relative to SERVER_DIR
+COPY protocol /protocol
+
+# Copy current directory
+COPY . .
+
+RUN echo "执行 go mod tidy..." && go mod tidy || (echo "go mod tidy 失败" && exit 1)
+
+RUN echo "开始编译 openim-msgtransfer..." && \
+    go build -v -o _output/openim-msgtransfer ./cmd/openim-msgtransfer || \
+    (echo "编译失败，查看详细错误信息" && exit 1)
+
+
+# Using Alpine Linux for the final image
+FROM alpine:latest
+
+# Install necessary packages, such as bash
+RUN apk add --no-cache bash
+
+# Set the environment and work directory
+ENV SERVER_DIR=/openim-server
+WORKDIR $SERVER_DIR
+
+
+# Copy the compiled binaries and mage from the builder image to the final image
+COPY --from=builder $SERVER_DIR/_output $SERVER_DIR/_output
+# COPY --from=builder $SERVER_DIR/config $SERVER_DIR/config
+
+# Set the command to run when the container starts
+ENTRYPOINT ["sh", "-c", "_output/openim-msgtransfer"]