Added a Dockerfile that will fix missing libraries in the STS Agent

image.

sts-agent/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:18.04 AS glibc
+
+FROM gcr.io/cloud-ingest/tsop-agent:latest
+
+# Shared glibc 2.27 libraries, matching the glibc of the static launcher, needed by the cryptography binding for certificate-based authentication.
+COPY --from=glibc /lib/x86_64-linux-gnu/libc-2.27.so /lib/x86_64-linux-gnu/libc.so.6
+COPY --from=glibc /lib/x86_64-linux-gnu/libm-2.27.so /lib/x86_64-linux-gnu/libm.so.6
+COPY --from=glibc /lib/x86_64-linux-gnu/libpthread-2.27.so /lib/x86_64-linux-gnu/libpthread.so.0
+COPY --from=glibc /lib/x86_64-linux-gnu/ld-2.27.so /lib64/ld-linux-x86-64.so.2
+
+ENV LD_LIBRARY_PATH=/lib/x86_64-linux-gnu

sts-agent/compose.yaml

@@ -1,6 +1,6 @@
 services:
   sts-agent:
-    image: gcr.io/cloud-ingest/tsop-agent:latest
+    build: .
     ulimits:
       memlock: 64000000
     volumes: