Dockerfile.dev

# Development Dockerfile for Lawrence OSS Go Backend
# Includes hot reloading and debugging support

FROM golang:1.24-bookworm

# Install build and development dependencies
RUN apt-get update && apt-get install -y \
    git \
    ca-certificates \
    tzdata \
    gcc \
    g++ \
    libsqlite3-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install Air for hot reloading (pinned version compatible with Go 1.24)
RUN go install github.com/air-verse/air@v1.52.3

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

# Set working directory
WORKDIR /app

# Copy go mod files first for better layer caching
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy source code
# Note: In dev mode, you'll typically mount the source code as a volume
# This COPY is a fallback for when volume mounting isn't used
COPY . .

# Expose ports
# 8080 - HTTP API
# 4320 - OpAMP server
# 4317 - OTLP gRPC
# 4318 - OTLP HTTP
# 2345 - Delve debugger (optional)
EXPOSE 8080 4320 4317 4318 2345

# Set environment variables for development
ENV CGO_ENABLED=1
ENV GIN_MODE=debug
ENV TZ=UTC

# Create .air.toml configuration file for hot reloading
RUN echo '[build]\n\
  cmd = "go build -o ./tmp/main ./cmd/all-in-one"\n\
  bin = "tmp/main"\n\
  full_bin = "./tmp/main --config /app/lawrence.yaml"\n\
  include_ext = ["go", "yaml", "yml"]\n\
  exclude_dir = ["assets", "tmp", "vendor", "ui", "node_modules"]\n\
  include_dir = ["cmd", "internal"]\n\
  exclude_file = []\n\
  exclude_regex = ["_test.go"]\n\
  exclude_unchanged = false\n\
  follow_symlink = false\n\
  log = "build-errors.log"\n\
  poll = false\n\
  poll_interval = 0\n\
  delay = 1000\n\
  stop_on_error = false\n\
  send_interrupt = false\n\
  kill_delay = "0s"\n\
  rerun = false\n\
  rerun_delay = 500\n\
\n\
[log]\n\
  main_only = false\n\
  time = false\n\
  silent = false\n\
\n\
[color]\n\
  main = "magenta"\n\
  watcher = "cyan"\n\
  build = "yellow"\n\
  runner = "green"\n\
\n\
[misc]\n\
  clean_on_exit = false\n\
\n\
[screen]\n\
  clear_on_rebuild = false\n\
  keep_scroll = true' > /app/.air.toml

# Default command uses Air for hot reloading
CMD ["air", "-c", ".air.toml"]

# Alternative commands:
# For debugging with Delve:
#   docker run -p 2345:2345 -v $(pwd):/app lawrence-dev dlv debug --headless --listen=:2345 --api-version=2 --accept-multiclient ./cmd/all-in-one
# 
# For running without hot reload:
#   docker run -v $(pwd):/app lawrence-dev go run ./cmd/all-in-one