client: new internal client versioning system

- Version is now determined on-the-fly from manifest file
- Internal versioning no longer depends on environment file

client/src/docker/lib/internal/lib_docker.bash

@@ -49,6 +49,7 @@ fi
 # Remaining "constructor" implementation
 function lib_docker::__docker()
 {
+  # TODO: refactor into lib_gen
   # Docker-related files
   [ -z "$DOCKER_FINANCE_CLIENT_REPO" ] && lib_utils::die_fatal
   declare -g global_repo_dockerfiles="${DOCKER_FINANCE_CLIENT_REPO}/client/Dockerfiles/"
@@ -77,6 +78,7 @@ function lib_docker::__docker()
   lib_utils::print_debug "Generating '${_path}'"
 
   sed \
+    -e "s|@DOCKER_FINANCE_VERSION@|${global_client_version}|g" \
     -e "s|@DOCKER_FINANCE_IMAGE@|${global_image}:${global_tag}|g" \
     -e "s|@DOCKER_FINANCE_CONTAINER@|${global_container}|g" \
     -e "s|@DOCKER_FINANCE_NETWORK@|${global_network}|g" \
@@ -674,6 +676,7 @@ function lib_docker::__version()
       container)
         # Feed dependency manifest (client is not bind-mounted for security reasons)
         local _manifest
+        # TODO: use global_repo_manifest
         _manifest="$(<${DOCKER_FINANCE_CLIENT_REPO}/client/docker-finance.yaml)"
 
         # NOTE: uses variable "callback"
@@ -724,7 +727,7 @@ function lib_docker::__version()
 
         # TODO: add build type
         echo
-        echo -e "docker-finance v${DOCKER_FINANCE_VERSION} | commit: $_hash | build: $global_platform"
+        echo -e "docker-finance ${DOCKER_FINANCE_VERSION} | commit: $_hash | build: $global_platform"
         ;;
 
       *)