add libyaml

Dockerfile

@@ -1,7 +1,40 @@
 # https://github.com/fluent/fluent-bit/issues/1499
-FROM fluent/fluent-bit:latest
+FROM fluent/fluent-bit:latest as fluent-bit
 
+FROM ubuntu:focal as lua-libs
+
+RUN apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y libpcre2-dev luarocks
+
+RUN luarocks install lua-cjson \
+    && luarocks install lrexlib-pcre2
+
+# https://github.com/fluent/fluent-bit/blob/master/Dockerfile#L60
+FROM ubuntu:focal
+
+COPY --from=fluent-bit \
+    /usr/lib/x86_64-linux-gnu/libsasl*.so* \
+    /usr/lib/x86_64-linux-gnu/libssl.so* \
+    /usr/lib/x86_64-linux-gnu/libcrypto.so* \
+    /usr/lib/x86_64-linux-gnu/libyaml*.so* \
+    /usr/lib/x86_64-linux-gnu/
+
+COPY --from=fluent-bit \
+    /usr/lib/x86_64-linux-gnu/libpq.so* \
+    /usr/lib/x86_64-linux-gnu/libgssapi* \
+    /usr/lib/x86_64-linux-gnu/libldap* \
+    /usr/lib/x86_64-linux-gnu/libkrb* \
+    /usr/lib/x86_64-linux-gnu/libk5crypto* \
+    /usr/lib/x86_64-linux-gnu/liblber* \
+    /lib/x86_64-linux-gnu/libkeyutils* \
+    /lib/x86_64-linux-gnu/
+
+COPY --from=fluent-bit /fluent-bit/bin/ /fluent-bit/bin/
+COPY --from=lua-libs /usr/local/lib/lua/ /usr/local/lib/lua/
 COPY *.conf *.lua /fluent-bit/etc/
 
+RUN ldd /fluent-bit/bin/fluent-bit | sort \
+    && /fluent-bit/bin/fluent-bit --version
+
 ENTRYPOINT [ "/fluent-bit/bin/fluent-bit" ]
 CMD [ "-c", "/fluent-bit/etc/fluent-bit.conf" ]