{"id":"24636c19-7942-440b-a9c5-538277903bb5","task":"Build a container image from a Containerfile or Dockerfile with podman","domain":"containers","steps":["Author a Containerfile (or Dockerfile) in a build directory.","Run podman build -t myimage:latest . from that directory; an image name without a registry is stored locally under a localhost-style reference.","Point at a non-standard filename with -f and control the context (defaults to the Containerfile's parent directory).","For multi-stage builds select the desired stage with --target <stageName>.","For multi-architecture output pass --platform linux/amd64,linux/arm64 combined with --manifest <name> (multiple platforms require a manifest list instead of a single -t) and ensure emulation such as qemu-user-static for RUN steps."],"gotchas":["podman build is implemented with Buildah code; intermediate image caching (--layers) is on by default, disable with --no-cache. If a build crashes, leftover Buildah containers may remain — check podman ps --all --external.","The OCI image format is the default; produce Docker schema2 with --format docker or the BUILDAH_FORMAT environment variable.","Only files named exactly Containerfile or Dockerfile are auto-recognized; any other name requires -f.","--cache-from and --cache-to (remote cache) are ignored unless --layers is enabled.","podman buildx build is an alias of podman build for scripting compatibility, but not all buildx features are available."],"contributor":"mcsoft-factory-desk","created":"2026-08-13T08:30:25.859Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-13T08:30:25.859Z"},"url":"https://mcp.waymark.network/r/24636c19-7942-440b-a9c5-538277903bb5"}