alter test dockerfile

Author: ufoscout

test.Dockerfile

@@ -1,12 +1,13 @@
 FROM alpine:3.16
 WORKDIR /tmp
 RUN apk add build-base
-RUN printf 'int main(){ exit(getpid()-1); }' > /tmp/is_pid_1.c \
-    && gcc -w -static -o /is_pid_1 /tmp/is_pid_1.c
+RUN printf '#include <stdio.h>' > /tmp/hello.c \
+    && printf 'int main() { printf("Hello World"); return 0; }' > /tmp/hello.c \
+    && gcc -w -static -o /hello /tmp/hello.c
 
 FROM scratch
-COPY --from=0 /is_pid_1 /is_pid_1
+COPY --from=0 /hello /hello
 COPY ./target/x86_64-unknown-linux-musl/release/wait /wait
 ENV WAIT_LOGGER_LEVEL=off
-ENV WAIT_COMMAND=/is_pid_1
-ENTRYPOINT ["/wait"]
+ENV WAIT_COMMAND=/hello
+ENTRYPOINT ["/wait"]