Update Dockerfile

build/images/openim-server/Dockerfile

@@ -11,10 +11,9 @@ COPY . .
 RUN go mod tidy
 
 RUN if [ "$RELEASE" = "true" ]; then \
-    go build -trimpath -ldflags "-s -w" -o _output/${BINARY_NAME} ./${CMD_PATH}; \
+    go build -trimpath -ldflags "-s -w" -o myapp ./cmd/open-im-api; \
     else \
-    go build -o _output/${BINARY_NAME} ./${CMD_PATH}; \
-    fi
+    RUN go build -o myapp ./cmd/open-im-api
 
 FROM alpine:latest
 
@@ -27,4 +26,4 @@ WORKDIR $SERVER_DIR
 
 COPY --from=builder $SERVER_DIR/_output $SERVER_DIR/_output
 
-ENTRYPOINT ["sh", "-c", "_output/${BINARY_NAME}"]
+ENTRYPOINT ["sh", "-c", "_output/${BINARY_NAME}"]