Update docker build script and tools

tools/build

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+source .env
+
+docker build \
+    --file docker/Dockerfile \
+    --tag ${PHP_IMAGE} \
+    $PWD

tools/composer

@@ -2,16 +2,17 @@
 
 source .env
 
-mkdir -p ./.composer/cache
+mkdir -p var/docker-cache/.composer
 
 docker run \
     --rm \
     --interactive \
     --tty \
-    --user $UID:$(id -g) \
+    --user "$UID:$(id -g)" \
     --volume /etc/passwd:/etc/passwd:ro \
     --volume /etc/group:/etc/group:ro \
-    --volume $PWD:/srv/homepage \
-    --volume $PWD/.composer:/tmp/.composer \
+    --volume $PWD:/srv/app \
+    --volume $HOME:$HOME \
+    --volume $PWD/var/docker-cache/.composer:/tmp/.composer \
     --env COMPOSER_HOME=/tmp/.composer \
-    ${HOMEPAGE_IMAGE} composer "$@"
+    ${PHP_IMAGE} composer "$@"

tools/npm

@@ -2,14 +2,18 @@
 
 source .env
 
-mkdir -p ./.npm
+mkdir -p var/docker-cache/.npm
 
 docker run \
     --rm \
     --interactive \
     --tty \
-    --user $UID:$(id -g) \
-    --volume $PWD:/srv/homepage \
-    --volume $PWD/.npm:/tpm/.npm \
+    --user "$UID:$(id -g)" \
+    --volume /etc/passwd:/etc/passwd:ro \
+    --volume /etc/group:/etc/group:ro \
+    --volume $PWD:/srv/app \
+    --volume $HOME:$HOME \
+    --volume $PWD/var/docker-cache/.npm:/tmp/.npm \
     --env npm_config_cache=/tmp/.npm \
-    ${HOMEPAGE_IMAGE} npm "$@"
+    --workdir /srv/app \
+    ${NODE_IMAGE} npm "$@"

tools/sculpin

@@ -6,10 +6,9 @@ docker run \
     --rm \
     --interactive \
     --tty \
-    --user "$UID" \
     --init \
-	--volume="$PWD:/srv/homepage" \
+    --user "$UID:$(id -g)" \
+	--volume="$PWD:/srv/app" \
 	--expose=8000 \
 	--publish=8000:8000 \
-	${HOMEPAGE_IMAGE} \
-	./vendor/bin/sculpin "$@"
+	${PHP_IMAGE} ./vendor/bin/sculpin "$@"