diff --git a/.github/workflows/Build for release.yml b/.github/workflows/Build for release.yml
index b839c01..bdc0f09 100644
--- a/.github/workflows/Build for release.yml	
+++ b/.github/workflows/Build for release.yml	
@@ -31,10 +31,6 @@ jobs:
           prepare: |
             pkg install -y crystal shards
           run: |
-            pwd
-            ls -lah
-            whoami
-            env
             freebsd-version
             crystal version
             shards install
@@ -90,10 +86,11 @@ jobs:
       - name: Build in Alpine
         id: build
         run: |
+          cat /etc/os-release
           crystal version
           shards install
           crystal spec --order=random
-          shards build --production --release --no-debug
+          shards build --production --release --no-debug --static
         shell: alpine-aarch64.sh {0}
 
       - name: Generate file name
@@ -136,6 +133,7 @@ jobs:
 
       - name: Build in container
         run: |
+          cat /etc/os-release
           crystal version
           shards install
           crystal spec --order=random
diff --git a/shard.lock b/shard.lock
new file mode 100644
index 0000000..c025352
--- /dev/null
+++ b/shard.lock
@@ -0,0 +1,18 @@
+version: 2.0
+shards:
+  backtracer:
+    git: https://github.com/sija/backtracer.cr.git
+    version: 1.2.2
+
+  exception_page:
+    git: https://github.com/crystal-loot/exception_page.git
+    version: 0.4.1
+
+  grip:
+    git: https://github.com/grip-framework/grip.git
+    version: 2.0.4
+
+  radix:
+    git: https://github.com/luislavena/radix.git
+    version: 0.4.1
+