Add hadolint (Haskell Dockerfile Linter)

.devcontainer/devcontainer.json

@@ -43,5 +43,6 @@
         "atsushieno.language-review",
         "taichi.vscode-textlint",
         "James-Yu.latex-workshop",
+        "exiasr.hadolint"
     ],
 }

docker-compose.yml

@@ -53,17 +53,19 @@ x-common-options: &common-options
                 review-update@review
                 npm@node
                 npx@node
+                hadolint --no-color@hadolint
             '
-            for container_command in `echo $$container_commands | tr -s ' ' '\n'`; do
-                command_name=`echo $$container_command | cut -d '@' -f 1`
-                service_name=`echo $$container_command | cut -d '@' -f 2`
+            echo "$$container_commands" | while read -r container_command; do
+                command=`echo "$$container_command" | cut -d '@' -f 1`
+                command_name=`echo "$$command" | cut -d ' ' -f 1`
+                service_name=`echo "$$container_command" | cut -d '@' -f 2`
 
                 if command -v $$command_name; then continue; fi
 
                 { \
                     echo '#!/bin/sh -e'; \
                     echo 'if [ -t 1 ]; then tty_option=-t; fi'; \
-                    echo 'exec docker exec -i $$tty_option -w $$PWD '"${COMPOSE_PROJECT_NAME}_$${service_name}_1 $${command_name}"' "$$@"'; \
+                    echo 'exec docker exec -i $$tty_option -w $$PWD '"${COMPOSE_PROJECT_NAME}_$${service_name}_1 $${command}"' "$$@"'; \
                 } | sudo tee /usr/local/bin/$$command_name
                 sudo chmod +x /usr/local/bin/$$command_name
             done
@@ -102,3 +104,7 @@ services:
     neovim:
         image: ghcr.io/k-ishigaki/neovim-docker:1
         <<: *common-options
+
+    hadolint:
+        image: ghcr.io/k-ishigaki/hadolint-docker:1
+        <<: *common-options