fix: Copy the venom binary to the appropriate directory

Dockerfile

@@ -1,18 +1,19 @@
 FROM alpine:3.16 
+
 RUN apk update && \
-    apk --no-cache add tzdata && \
-    apk --no-cache add ca-certificates && rm -rf /var/cache/apk/*
+    apk --no-cache add tzdata ca-certificates && \
+    rm -rf /var/cache/apk/*
 
-COPY dist/venom.linux-amd64 /usr/local/venom
+COPY dist/venom.linux-amd64 /usr/local/bin/venom
+RUN chmod +x /usr/local/bin/venom
 
 VOLUME /workdir/results
 VOLUME /workdir/tests
 WORKDIR /workdir
 
-ENTRYPOINT ["/usr/local/venom"]
-
-ENV VENOM_OUTPUT_DIR=/workdir/results
-ENV VENOM_LIB_DIR=/workdir/tests/lib
-ENV VENOM_VERBOSE=1
+ENV VENOM_OUTPUT_DIR=/workdir/results \
+    VENOM_LIB_DIR=/workdir/tests/lib \
+    VENOM_VERBOSE=1
 
-CMD [ "run", "./tests/*.y*ml"]
+ENTRYPOINT ["/usr/local/bin/venom"]
+CMD ["run", "./tests/*.y*ml"]