# docker-bake.hcl — defines all five production images.
#
# CI passes version info as environment variables; locally everything gets :dev tags.
#
# Local build (no push):
#   docker buildx bake
#
# CI environment variables: VERSION, MAJOR_MINOR, COMMIT, BUILD_TIME

variable "DOCKER_USER"  { default = "kalekber" }
variable "VERSION"      { default = "dev" }    # e.g. "4.1.6"  (no leading v)
variable "MAJOR_MINOR"  { default = "dev" }    # e.g. "4.1"
variable "COMMIT"       { default = "unknown" }
variable "BUILD_TIME"   { default = "" }

# ── Shared defaults ───────────────────────────────────────────────────────────

target "_defaults" {
  pull     = true
  # CI overrides to push=true via --set *.output=type=image,push=true
  output   = ["type=image,push=false"]
  cache-to = ["type=inline"]
}

# ── Go targets (share the backend/ build context + builder stage) ─────────────

target "backend" {
  inherits   = ["_defaults"]
  context    = "backend"
  target     = "backend"
  tags       = [
    "${DOCKER_USER}/libnovel-backend:${VERSION}",
    "${DOCKER_USER}/libnovel-backend:${MAJOR_MINOR}",
    "${DOCKER_USER}/libnovel-backend:latest",
  ]
  cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-backend:latest"]
  args = {
    VERSION = VERSION
    COMMIT  = COMMIT
  }
}

target "runner" {
  inherits   = ["_defaults"]
  context    = "backend"
  target     = "runner"
  tags       = [
    "${DOCKER_USER}/libnovel-runner:${VERSION}",
    "${DOCKER_USER}/libnovel-runner:${MAJOR_MINOR}",
    "${DOCKER_USER}/libnovel-runner:latest",
  ]
  cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-runner:latest"]
  args = {
    VERSION = VERSION
    COMMIT  = COMMIT
  }
}

target "pocketbase" {
  inherits   = ["_defaults"]
  context    = "backend"
  target     = "pocketbase"
  tags       = [
    "${DOCKER_USER}/libnovel-pocketbase:${VERSION}",
    "${DOCKER_USER}/libnovel-pocketbase:${MAJOR_MINOR}",
    "${DOCKER_USER}/libnovel-pocketbase:latest",
  ]
  cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-pocketbase:latest"]
}

# ── UI (SvelteKit — separate context) ────────────────────────────────────────

target "ui" {
  inherits   = ["_defaults"]
  context    = "ui"
  tags       = [
    "${DOCKER_USER}/libnovel-ui:${VERSION}",
    "${DOCKER_USER}/libnovel-ui:${MAJOR_MINOR}",
    "${DOCKER_USER}/libnovel-ui:latest",
  ]
  cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-ui:latest"]
  args = {
    BUILD_VERSION = VERSION
    BUILD_COMMIT  = COMMIT
    BUILD_TIME    = BUILD_TIME
  }
}

# ── Caddy (custom plugins — separate context) ─────────────────────────────────

target "caddy" {
  inherits   = ["_defaults"]
  context    = "caddy"
  tags       = [
    "${DOCKER_USER}/libnovel-caddy:${VERSION}",
    "${DOCKER_USER}/libnovel-caddy:${MAJOR_MINOR}",
    "${DOCKER_USER}/libnovel-caddy:latest",
  ]
  cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-caddy:latest"]
}

# ── Default group: all five images ────────────────────────────────────────────

group "default" {
  targets = ["backend", "runner", "pocketbase", "ui", "caddy"]
}