Support passing the whole context for env and resources

templates/env

@@ -1,4 +1,16 @@
-[[- range $k, $v := . ]]
+[[- /*
+# vim: syntax=hcl
+# Note: for compatibility, we take env either from .env (when passing the whole context to the template)
+# or from . (when only .env is passed as context)
+*/ -]]
+[[- $env := dict ]]
+[[- if and (has . "env") (isKind "map" .env) ]]
+  [[- $env = .env ]]
+[[- else ]]
+  [[ $env = . ]]
+[[- end -]]
+
+[[- range $k, $v := $env ]]
   [[- if isKind "number" $v ]]
         [[ $k ]] = [[ $v ]]
   [[- else ]]

templates/resources

@@ -1,7 +1,19 @@
+[[- /*
+# vim: syntax=hcl
+# Note: for compatibility, we take resources either from .resources (when passing the whole context to the template)
+# or from . (when only .resources is passed as context)
+*/ -]]
+[[- $resources := dict ]]
+[[- if and (has . "resources") (isKind "map" .resources) ]]
+  [[- $resources = .resources ]]
+[[- else ]]
+  [[ $resources = . ]]
+[[- end -]]
+
       resources {
-        cpu = [[ .cpu ]]
-        memory = [[ .memory ]]
-        [[- if has . "memory_max" ]]
-        memory_max = [[ .memory_max ]]
-        [[- end ]]
+        cpu    = [[ $resources.cpu ]]
+        memory = [[ $resources.memory ]]
+[[- if has $resources "memory_max" ]]
+        memory_max = [[ $resources.memory_max ]]
+[[- end ]]
       }