diff --git a/Cargo.lock b/Cargo.lock
index bfff7ec..d595310 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -383,7 +383,7 @@ dependencies = [
 
 [[package]]
 name = "psha"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "ascon-hash",
  "belt-hash",
diff --git a/Cargo.toml b/Cargo.toml
index 70640ad..0d706be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "psha"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/Justfile b/Justfile
new file mode 100644
index 0000000..efdefb8
--- /dev/null
+++ b/Justfile
@@ -0,0 +1,32 @@
+alias build := build-release
+
+version := `cat Cargo.toml | grep -m1 version | awk -F' ' '{print $3}' | sed 's|"||g'`
+major_version := `echo {{version}} | awk -F'.' '{print$1}'`
+uid := `id -u`
+gid := `id -g`
+date := `date -u --rfc-3339=seconds`
+cargo := `which cargo 2> /dev/null`
+
+# main build
+build-release:
+  cargo build --release
+
+# debug build
+build-debug:
+  cargo build
+
+build-docker:
+  docker build -t picca:{{version}} -t picca:{{major_version}} -t picca:latest \
+    --build-arg VERSION={{version}} --build-arg DATE="{{date}}" -f docker/Dockerfile .
+
+push-docker: build-docker
+  docker tag picca:{{version}} forge.steck.dev/bryson/picca:{{version}}
+  docker tag picca:{{version}} forge.steck.dev/bryson/picca:{{major_version}}
+  docker push -a forge.steck.dev/bryson/picca
+  docker image rm forge.steck.dev/bryson/picca:{{version}}
+  docker image rm forge.steck.dev/bryson/picca:{{major_version}}
+
+push-docker-latest: build-docker push-docker
+  docker tag picca:{{version}} forge.steck.dev/bryson/picca:latest
+  docker push forge.steck.dev/bryson/picca:latest
+  docker image rm forge.steck.dev/bryson/picca:latest