Dockerfile.debug

# Build the manager binary with debug symbols
ARG GO_VERSION=1.25.0
FROM docker.io/golang:${GO_VERSION} AS builder
ARG TARGETOS
ARG TARGETARCH

WORKDIR /workspace

# Install Delve for debugging
RUN go install github.com/go-delve/delve/cmd/dlv@latest

# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum

# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download

# Copy the go source
COPY cmd/main.go cmd/main.go
COPY api/ api/
COPY internal/ internal/
COPY pkg/ pkg/

# Build with debug symbols (no optimization, with debug info)
RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build \
    -gcflags="all=-N -l" \
    -o manager cmd/main.go

# Generate self-signed cert
RUN mkdir -p /certs && \
    openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /certs/tls.key -out /certs/tls.crt \
    -subj "/CN=local.svc"

# Use a more complete base image for debugging
FROM gcr.io/distroless/base-debian12:debug
WORKDIR /

# Copy delve debugger
COPY --from=builder /go/bin/dlv /dlv

# Copy manager binary
COPY --from=builder /workspace/manager .

# Copy config files
COPY config/configs/instance.yaml instance.yaml
COPY config/configs/applications.yaml applications.yaml
COPY config/configs/features/ features/
COPY --from=builder /certs/tls.crt /certs/tls.crt
COPY --from=builder /certs/tls.key /certs/tls.key

USER 65532:65532

ENV INSTANCE_FILE=/instance.yaml
ENV APPLICATION_FILE=/applications.yaml

# Start with delve for debugging
ENTRYPOINT ["/dlv", "--listen=:2345", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", "/manager", "--"]