Switch to building golang outselves

Author: dims

images/build/go-runner/Dockerfile

@@ -18,7 +18,44 @@ ARG BUILDER_IMAGE
 FROM ${BUILDER_IMAGE} as builder
 WORKDIR /workspace
 
+# Install dependencies for building Go from source
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    git \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# Download and build Go from source
+ARG GO_VERSION
+
+# Download and install bootstrap Go (binary)
+ARG BOOTSTRAP_GO_VERSION=1.24.7
+ARG TARGETARCH
+RUN echo "Installing bootstrap Go version: ${BOOTSTRAP_GO_VERSION} (${TARGETARCH})" && \
+    curl -fsSL "https://go.dev/dl/go${BOOTSTRAP_GO_VERSION}.linux-${TARGETARCH}.tar.gz" -o /tmp/go-bootstrap.tar.gz && \
+    tar -xzf /tmp/go-bootstrap.tar.gz -C /usr/local && \
+    mv /usr/local/go /usr/local/go-bootstrap && \
+    rm /tmp/go-bootstrap.tar.gz
+
+# Download Go source
+RUN echo "Downloading Go source version: ${GO_VERSION}" && \
+    curl -fsSL "https://go.dev/dl/go${GO_VERSION}.src.tar.gz" -o /tmp/go.src.tar.gz && \
+    tar -xzf /tmp/go.src.tar.gz -C /usr/local && \
+    rm /tmp/go.src.tar.gz
+
+# Build Go from source with bootstrap
+WORKDIR /usr/local/go/src
+ENV GOROOT_BOOTSTRAP=/usr/local/go-bootstrap
+RUN ./make.bash
+
+# Set up Go environment
+ENV PATH=/usr/local/go/bin:$PATH
+ENV GOROOT=/usr/local/go
+ENV GOPATH=/workspace/gopath
+
 # Copy the sources
+WORKDIR /workspace
 COPY ./go-runner.go ./
 COPY ./go.* ./
 
@@ -38,11 +75,8 @@ ENV GOPROXY="https://proxy.golang.org|direct"
 
 # Build
 ARG package=.
-ARG ARCH
 
 ENV CGO_ENABLED=0
-ENV GOOS=linux
-ENV GOARCH=${ARCH}
 
 RUN go env
 

images/build/go-runner/Makefile

@@ -20,12 +20,12 @@ APP_VERSION = $(shell cat VERSION)
 GO_MAJOR_VERSION ?= 1.24
 REVISION ?= 0
 GO_VERSION ?= 1.24.6
-OS_CODENAME ?= bookworm
+OS_CODENAME ?= bookworm-slim
 
 # Build args
 DISTROLESS_REGISTRY ?= gcr.io/distroless
 DISTROLESS_IMAGE ?= static-debian12
-BUILDER_IMAGE ?= golang:$(GO_VERSION)-$(OS_CODENAME)
+BUILDER_IMAGE ?= debian:$(OS_CODENAME)
 
 # Configuration
 CONFIG = go$(GO_MAJOR_VERSION)-$(OS_CODENAME)
@@ -53,4 +53,5 @@ clean:
 	rm go-runner
 
 BUILD_ARGS = --build-arg=BUILDER_IMAGE=$(BUILDER_IMAGE) \
-             --build-arg=DISTROLESS_IMAGE=$(DISTROLESS_REGISTRY)/$(DISTROLESS_IMAGE)
+             --build-arg=DISTROLESS_IMAGE=$(DISTROLESS_REGISTRY)/$(DISTROLESS_IMAGE) \
+             --build-arg=GO_VERSION=$(GO_VERSION)