no longer use caches

.github/workflows/release.yml

@@ -10,6 +10,7 @@ env:
 jobs:
 
   build-and-push:
+    if: startsWith(github.ref, 'refs/tags/recover-id-object/')
     runs-on: ubuntu-latest
     environment: production
     steps:
@@ -24,6 +25,12 @@ jobs:
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_TOKEN }}
+    - name: Extract Cargo package version
+      id: cargo_version
+      run: |
+        VERSION=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
+        echo "Extracted version is $VERSION"
+        echo "::set-output name=version::$VERSION"
     - name: Build and push Docker image
       uses: docker/build-push-action@v5
       with:
@@ -32,6 +39,4 @@ jobs:
         push: true
         build-args: |
           build_image=${{ env.RUST_VERSION }}
-        tags: concordium/recover-id-object:latest
-        cache-from: type=registry,ref=concordium/recover-id-object:latest
-        cache-to: type=inline
+        tags: concordium/recover-id-object:${{ steps.cargo_version.outputs.version }}

recover-id-object/scripts/Dockerfile

@@ -5,13 +5,8 @@ FROM ${build_image} AS build
 WORKDIR /usr/app/recover-id-object
 
 COPY recover-id-object/Cargo.toml recover-id-object/Cargo.lock .
-COPY deps /usr/app/deps
-RUN mkdir src && echo 'fn main() { println!("Dummy!"); }' > ./src/main.rs
-
-RUN cargo build --release --locked
-
-RUN rm src/*.rs
 COPY recover-id-object/src ./src
+COPY deps /usr/app/deps
 RUN cargo build --release --locked
 
 FROM ${base_image}