fix reivision syntax

cmake/ExternalProjects.cmake

@@ -18,21 +18,28 @@ endif()
 
 include(${CMAKE_CURRENT_BINARY_DIR}/conan.cmake)
 
-conan_check(VERSION 1.41.0 REQUIRED)
+conan_check(VERSION 1.43.0 REQUIRED)
+
+# Enable revisions in the conan config
+execute_process(COMMAND ${CONAN_CMD} config set general.revisions_enabled=1
+                RESULT_VARIABLE return_code)
+if(NOT "${return_code}" STREQUAL "0")
+    message(FATAL_ERROR "Error setting revisions for Conan: '${return_code}'")
+endif()
 
 conan_cmake_configure(
     REQUIRES
         boost/1.77.0@#d0be0b4b04a551f5d49ac540e59f51bd
-        catch2/2.13.7#31c8cd08e3c957a9eac8cb1377cf5863
-        cppcodec/0.2#f6385611ce2f7cff954ac8b16e25c4fa
-        cpprestsdk/2.10.18#36e30936126a3da485ce05d619fb1249
-        cppzmq/4.8.1#e0f26b0614b3d812815edc102ce0d881
-        flatbuffers/2.0.0#82f5d13594b370c3668bb8abccffc706
-        hiredis/1.0.2#297f55bf1e66f8b9c1dc0e7d35e705ab
-        protobuf/3.17.1#12f6551f4a57bbd3bf38ff3aad6aaa7e
-        rapidjson/cci.20200410#abe3eeacf36801901f6f6d82d124781a
-        spdlog/1.9.2#3724602b7b7e843c5e0a687c45e279c9
-        zeromq/4.3.4#3b9b0de9c4509784dc92629f3aaf2fe4
+        catch2/2.13.7@#31c8cd08e3c957a9eac8cb1377cf5863
+        cppcodec/0.2@#f6385611ce2f7cff954ac8b16e25c4fa
+        cpprestsdk/2.10.18@#36e30936126a3da485ce05d619fb1249
+        cppzmq/4.8.1@#e0f26b0614b3d812815edc102ce0d881
+        flatbuffers/2.0.0@#82f5d13594b370c3668bb8abccffc706
+        hiredis/1.0.2@#297f55bf1e66f8b9c1dc0e7d35e705ab
+        protobuf/3.17.1@#12f6551f4a57bbd3bf38ff3aad6aaa7e
+        rapidjson/cci.20200410@#abe3eeacf36801901f6f6d82d124781a
+        spdlog/1.9.2@#3724602b7b7e843c5e0a687c45e279c9
+        zeromq/4.3.4@#3b9b0de9c4509784dc92629f3aaf2fe4
     GENERATORS
         cmake_find_package
         cmake_paths

docker/faabric.dockerfile

@@ -1,4 +1,4 @@
-FROM faasm/faabric-base:0.2.2
+FROM faasm/faabric-base:0.2.3
 ARG FAABRIC_VERSION
 
 # faabic-base image is not re-built often, so tag may be behind