Consolidate Docker-related stuff in docker directory

.github/workflows/chain-spec-snapshot-build.yml

@@ -23,7 +23,7 @@ jobs:
         id: build
         uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
         with:
-          file: Dockerfile-node
+          file: docker/node.Dockerfile
           push: false
 
       - name: Generate testnet chain specifications

.github/workflows/domain-genesis-storage-snapshot-build.yml

@@ -22,7 +22,7 @@ jobs:
         id: build
         uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
         with:
-          file: Dockerfile-node
+          file: docker/node.Dockerfile
           push: false
 
       - name: Generate testnet domain genesis storages

.github/workflows/runtime-snapshot-build.yml

@@ -26,7 +26,7 @@ jobs:
         id: build
         uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
         with:
-          file: Dockerfile-runtime
+          file: docker/runtime.Dockerfile
           push: false
 
       - name: Extract runtime

.github/workflows/snapshot-build.yml

@@ -61,7 +61,7 @@ jobs:
       - name: Build and push ${{ matrix.image }} image
         uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
         with:
-          file: Dockerfile-${{ matrix.image }}
+          file: docker/${{ matrix.image }}.Dockerfile
           # TODO: Add `linux/riscv64` once https://github.com/paritytech/polkadot-sdk/issues/5996 is resolved and ring
           #  0.16.x is no longer in dependencies
           platforms: linux/amd64,linux/arm64

docker/bootstrap-node.Dockerfile.dockerignore

@@ -0,0 +1,9 @@
+*
+!/crates
+!/domains
+!/orml
+!/shared
+!/test
+!/Cargo.lock
+!/Cargo.toml
+!/rust-toolchain.toml

docker/farmer.Dockerfile.dockerignore

@@ -0,0 +1,9 @@
+*
+!/crates
+!/domains
+!/orml
+!/shared
+!/test
+!/Cargo.lock
+!/Cargo.toml
+!/rust-toolchain.toml

docker/node.Dockerfile.dockerignore

@@ -0,0 +1,9 @@
+*
+!/crates
+!/domains
+!/orml
+!/shared
+!/test
+!/Cargo.lock
+!/Cargo.toml
+!/rust-toolchain.toml

docker/runtime.Dockerfile.dockerignore

@@ -0,0 +1,9 @@
+*
+!/crates
+!/domains
+!/orml
+!/shared
+!/test
+!/Cargo.lock
+!/Cargo.toml
+!/rust-toolchain.toml