build and test monitor from app container

Dockerfile

@@ -26,6 +26,8 @@ ADD version.json /app
 
 RUN cd /app/src/autograph && go install .
 
+RUN cd /app/src/autograph/tools/autograph-monitor && go build -o /go/bin/autograph-monitor .
+
 USER app
 WORKDIR /app
 CMD /go/bin/autograph

docker-compose.yml

@@ -66,9 +66,11 @@ services:
 
   monitor:
     container_name: autograph-monitor
-    image: autograph-monitor
-    build:
-      context: tools/autograph-monitor/
+    image: autograph-app
+    command:
+      [
+        "/go/bin/autograph-monitor",
+      ]
 
   monitor-lambda-emulator:
     container_name: autograph-monitor-lambda-emulator

tools/autograph-monitor/Dockerfile.lambda-emulator

@@ -1,18 +1,12 @@
-FROM autograph-app as app
-FROM autograph-monitor
+FROM autograph-app
 
 USER root
 
-COPY --from=app /app/src/autograph/bin/test_monitor.sh /usr/local/bin/test_monitor.sh
-
-RUN apt update \
-    && \
-    apt -y install curl \
-    && \
-    curl -Lo /usr/local/bin/aws-lambda-rie \
+RUN cp /app/src/autograph/bin/test_monitor.sh /usr/local/bin/test_monitor.sh
+RUN curl -Lo /usr/local/bin/aws-lambda-rie \
     https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie \
     && \
     chmod +x /usr/local/bin/aws-lambda-rie /usr/local/bin/test_monitor.sh
 
 USER app
-CMD ["/usr/local/bin/aws-lambda-rie", "/usr/bin/autograph-monitor"]
+CMD ["/usr/local/bin/aws-lambda-rie", "/go/bin/autograph-monitor"]