fix obtaining namespace - 2.0.0-alpha-2

* switch to old containerd-client because new one throws transport error

* Add docker image build sanity to github actions

.github/workflows/ci.yaml

@@ -12,9 +12,6 @@ env:
 jobs:
   lint:
     runs-on: ubuntu-latest
-    permissions:
-      packages: write
-      contents: read
     steps:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
@@ -23,7 +20,7 @@ jobs:
         toolchain: stable
         components: rustfmt, clippy
     - run: cargo fmt --all -- --check
-    - run: sudo apt install libpcap-dev
+    - run: sudo apt install libpcap-dev cmake
     - run: cargo clippy -- -D warnings
 
   test:
@@ -36,3 +33,10 @@ jobs:
         toolchain: stable
     - run: sudo apt install -y libpcap-dev cmake
     - run: sudo PATH=/home/runner/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin:/usr/bin:/usr/sbin /home/runner/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo test
+
+  test_image:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build image
+      run: docker build . --file Dockerfile

.github/workflows/release.yaml

@@ -1,5 +1,6 @@
 name: Release
-on:   
+on:
+  workflow_dispatch:
   push:
     branches:
       - main 

CHANGELOG.md

@@ -1,4 +1,10 @@
 ## [Unreleased]
+## 2.0.0-alpha-2 - 30/4/2022
+### Fixed
+* Fixed obtaining namespace & setting it using container id (seems to be a bug in new containerd-client version?)
+### Misc
+* Add manual image build and push workflow
+* Add docker image build sanity
 ## 2.0.0-alpha-1 - 28/4/2022
 ### Misc
 * Fix image build lacks cmake