migrate build system to earthly: supports building core, start and angular for all supported platforms. tauri still missing

Earthfile

@@ -0,0 +1,177 @@
+VERSION --arg-scope-and-set 0.8
+
+ARG --global go_version = 1.21
+ARG --global distro = alpine3.18
+ARG --global node_version = 18
+ARG --global outputDir = "./dist"
+
+go-deps:
+    FROM golang:${go_version}-${distro}
+    WORKDIR /go-workdir
+
+    # These cache dirs will be used in later test and build targets
+    # to persist cached go packages.
+    #
+    # NOTE: cache only gets persisted on successful builds. A test
+    # failure will prevent the go cache from being persisted.
+    ENV GOCACHE = "/.go-cache"
+    ENV GOMODCACHE = "/.go-mod-cache"
+
+    # Copying only go.mod and go.sum means that the cache for this
+    # target will only be busted when go.mod/go.sum change. This
+    # means that we can cache the results of 'go mod download'.
+    COPY go.mod .
+    COPY go.sum .
+    RUN go mod download
+
+
+go-base:
+    FROM +go-deps
+
+    # Only copy go-code related files to improve caching.
+    # (i.e. do not rebuild go if only the angular app changed)
+    COPY cmds ./cmds
+    COPY runtime ./runtime
+    COPY service ./service
+    COPY spn ./spn
+
+# mod-tidy runs 'go mod tidy', saving go.mod and go.sum locally.
+mod-tidy:
+    FROM +go-base
+
+    RUN go mod tidy
+    SAVE ARTIFACT go.mod AS LOCAL go.mod
+    SAVE ARTIFACT --if-exists go.sum AS LOCAL go.sum
+
+# build-go runs 'go build ./cmds/...', saving artifacts locally.
+# If --CMDS is not set, it defaults to building portmaster-start, portmaster-core and hub
+build-go:
+    FROM +go-base
+
+    # Arguments for cross-compilation.
+    ARG GOOS=linux
+    ARG GOARCH=amd64
+    ARG GOARM
+    ARG CMDS=portmaster-start portmaster-core hub
+
+    CACHE --sharing shared "$GOCACHE"
+    CACHE --sharing shared "$GOMODCACHE"
+
+    RUN mkdir /tmp/build
+    ENV CGO_ENABLED = "0"
+
+    IF [ "${CMDS}" = "" ]
+        LET CMDS=$(ls -1 "./cmds/")
+    END
+
+    # Build all go binaries from the specified in CMDS
+    FOR bin IN $CMDS
+        RUN go build -o "/tmp/build/" ./cmds/${bin}
+    END
+
+    LET NAME = ""
+
+    FOR bin IN $(ls -1 "/tmp/build/")
+        SET NAME = "${outputDir}/${GOOS}_${GOARCH}/${bin}"
+        IF [ "${GOARM}" != "" ]
+            SET NAME = "${outputDir}/${GOOS}_${GOARCH}v${GOARM}/${bin}"
+        END
+
+        SAVE ARTIFACT "/tmp/build/${bin}" AS LOCAL "${NAME}"
+    END
+
+# Test one or more go packages.
+# Run `earthly +test-go` to test all packages
+# Run `earthly +test-go --PKG="service/firewall"` to only test a specific package.
+# Run `earthly +test-go --TESTFLAGS="-short"` to add custom flags to go test (-short in this case)
+test-go:
+    FROM +go-base
+
+    ARG GOOS=linux
+    ARG GOARCH=amd64
+    ARG GOARM
+    ARG TESTFLAGS
+    ARG PKG="..."
+
+    CACHE --sharing shared "$GOCACHE"
+    CACHE --sharing shared "$GOMODCACHE"
+
+    FOR pkg IN $(go list -e "./${PKG}")
+        RUN go test -cover ${TESTFLAGS} ${pkg}
+    END
+
+test-go-all-platforms:
+    # Linux platforms:
+    BUILD +test-go --GOARCH=amd64 --GOOS=linux
+    BUILD +test-go --GOARCH=arm64 --GOOS=linux
+    BUILD +test-go --GOARCH=arm --GOOS=linux --GOARM=5
+    BUILD +test-go --GOARCH=arm --GOOS=linux --GOARM=6
+    BUILD +test-go --GOARCH=arm --GOOS=linux --GOARM=7
+
+    # Windows platforms:
+    BUILD +test-go --GOARCH=amd64 --GOOS=windows
+    BUILD +test-go --GOARCH=arm64 --GOOS=windows
+
+# Builds portmaster-start and portmaster-core for all supported platforms
+build-go-release:
+    # Linux platforms:
+    BUILD +build-go --GOARCH=amd64 --GOOS=linux
+    BUILD +build-go --GOARCH=arm64 --GOOS=linux
+    BUILD +build-go --GOARCH=arm --GOOS=linux --GOARM=5
+    BUILD +build-go --GOARCH=arm --GOOS=linux --GOARM=6
+    BUILD +build-go --GOARCH=arm --GOOS=linux --GOARM=7
+
+    # Windows platforms:
+    BUILD +build-go --GOARCH=amd64 --GOOS=windows
+    BUILD +build-go --GOARCH=arm64 --GOOS=windows
+
+# Builds all binaries from the cmds/ folder for linux/windows AMD64
+# Most utility binaries are never needed on other platforms.
+build-utils:
+    BUILD +build-go --CMDS="" --GOARCH=amd64 --GOOS=linux
+    BUILD +build-go --CMDS="" --GOARCH=amd64 --GOOS=windows
+
+# Prepares the angular project
+angular-deps:
+    FROM node:${node_version}
+    WORKDIR /app/ui
+
+    RUN apt update && apt install zip
+
+    CACHE --sharing shared "/app/ui/node_modules"
+
+    COPY desktop/angular/package.json .
+    COPY desktop/angular/package-lock.json .
+    RUN npm install
+
+
+angular-base:
+    FROM +angular-deps
+
+    COPY desktop/angular/ .
+
+# Build the Portmaster UI (angular) in release mode
+angular-release:
+    FROM +angular-base
+
+    CACHE --sharing shared "/app/ui/node_modules"
+
+    RUN npm run build
+    RUN zip -r ./angular.zip ./dist
+    SAVE ARTIFACT "./angular.zip" AS LOCAL ${outputDir}/angular.zip
+    SAVE ARTIFACT "./dist" AS LOCAL ${outputDir}/angular
+
+
+# Build the Portmaster UI (angular) in dev mode
+angular-dev:
+    FROM +angular-base
+
+    CACHE --sharing shared "/app/ui/node_modules"
+
+    RUN npm run build:dev
+    SAVE ARTIFACT ./dist AS LOCAL ${outputDir}/angular
+
+
+release:
+    BUILD +build-go-release
+    BUILD +angular-release