Fix regression test bugs

containers/cpp-mariadb/test-project/test.sh

@@ -24,7 +24,18 @@ if [ "$(dpkg --print-architecture)" = "amd64" ] || [[ ! "${VCPKG_UNSUPPORTED_ARM
 fi 
 checkOSPackages "tools-for-mariadb" libmariadb3 libmariadb-dev
 check "g++"  g++ -g main.cpp -o main.out -lmariadbcpp
-check "main.out" ./main.out
+# MariaDB may take a few seconds to start, so retry on failure
+check_ok=false
+retry_count=0
+until [ "${check_ok}" = "true" ] || [ "${retry_count}" -eq "5" ]; do
+    ./main.out && check_ok=true
+    if [ "${check_ok}" != "true" ]; then
+        echo "(*) Check failed, DB may not be up yet. Retrying in 5s..."
+        (( retry_count++ ))
+        sleep 5s
+    fi
+done
+check "main.out" sh -c "[ \"${check_ok}\" = \"true\" ]"
 rm main.out
 mkdir -p build
 cd build

containers/elixir-phoenix-postgres/.devcontainer/docker-compose.yml

@@ -10,8 +10,8 @@ services:
         VARIANT: "1.12.3"
         # Phoenix Version: 1.4.17, 1.5.4, ...
         PHOENIX_VERSION: "1.6.2"
-        # Node Version: 10, 11, ...
-        NODE_VERSION: "none"
+        # Node Version: 12, 14, ...
+        NODE_VERSION: "16"
 
     volumes:
       - ..:/workspace:cached

containers/elixir-phoenix-postgres/test-project/test.sh

@@ -13,8 +13,10 @@ checkCommon
 # Actual tests
 checkExtension "jakebecker.elixir-ls"
 check "elixir" iex --version
+. /usr/local/share/nvm/nvm.sh
+check "nvm" nvm install 16
 check "node" node --version
-check "npm" npm install
+check "npm" npm --version
 check "build test project" echo yes | mix phx.new example --live
 check "download deps" cd ./example && mix deps.get && mix deps.compile
 # Hex only installed for non-root user, so skip phoenix test for root