fix: GitHub Actions: use podman instead

.github/workflows/container.yml

@@ -1,12 +1,25 @@
-name: Build Docker Image
+name: Build Container Image
 on: [ push ]
 jobs:
   image:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      # reference: https://github.com/containers/podman/discussions/17868
+      - name: Tar as root
+        run: |
+          sudo mv -fv /usr/bin/tar /usr/bin/tar.orig
+          echo -e '#!/bin/sh\n\nsudo /usr/bin/tar.orig "$@"' | sudo tee -a /usr/bin/tar
+          sudo chmod +x /usr/bin/tar
+      - name: Cache Podman
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.local/share/containers
+            ~/.config/containers
+          key: ${{ runner.os }}-${{ hashFiles('**/*.Dockerfile', 'build_image.sh', 'VERSION', 'go.*') }}
       - name: Login to Container Registry
-        uses: docker/login-action@v3
+        uses: redhat-actions/podman-login@v1
         with:
           registry: git.0x7f.app
           username: ${{ secrets.CONTAINER_USERNAME }}
@@ -19,12 +32,12 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         run: ./build_image.sh base
         env:
-          DOCKER: docker
+          DOCKER: podman
       - name: Build Server Image
         run: ./build_image.sh server
         env:
-          DOCKER: docker
+          DOCKER: podman
       - name: Build Runner Image
         run: ./build_image.sh runner
         env:
-          DOCKER: docker
+          DOCKER: podman

Runner.Dockerfile

@@ -6,7 +6,7 @@ ENV CGO_ENABLED=0
 WORKDIR /builder
 
 RUN apk add --no-cache git make
-RUN --mount=type=cache,id=golang,target=/go/pkg go install github.com/swaggo/swag/cmd/swag@latest
+RUN go install github.com/swaggo/swag/cmd/swag@latest
 
 ARG IMAGE_PREFIX=git.0x7f.app/woj
 ENV CONTAINER_IMAGE_FULL=${IMAGE_PREFIX}/ubuntu-full:latest
@@ -14,10 +14,10 @@ ENV CONTAINER_IMAGE_RUN=${IMAGE_PREFIX}/ubuntu-run:latest
 
 COPY go.mod /builder/go.mod
 COPY go.sum /builder/go.sum
-RUN --mount=type=cache,id=golang,target=/go/pkg go mod download
+RUN go mod download
 
 COPY . /builder
-RUN --mount=type=cache,id=golang,target=/go/pkg make build
+RUN make build
 
 
 # main image

Server.Dockerfile

@@ -6,14 +6,14 @@ ENV CGO_ENABLED=0
 WORKDIR /builder
 
 RUN apk add --no-cache git make
-RUN --mount=type=cache,id=golang,target=/go/pkg go install github.com/swaggo/swag/cmd/swag@latest
+RUN go install github.com/swaggo/swag/cmd/swag@latest
 
 COPY go.mod /builder/go.mod
 COPY go.sum /builder/go.sum
-RUN --mount=type=cache,id=golang,target=/go/pkg go mod download
+RUN go mod download
 
 COPY . /builder
-RUN --mount=type=cache,id=golang,target=/go/pkg make build
+RUN make build
 
 # UI Builder
 FROM git.0x7f.app/woj/woj-ui:1.1.0 AS ui-builder