feat: add Docker Compose support for Discord bot deployment

- Add Dockerfile with multi-stage build for picoclaw
- Add docker-compose.discord.yml for Discord bot service
- Add docker-compose.yml for agent mode service
- Add .env.example with environment variable template
- Add .dockerignore for optimized builds
- Update README.md with Docker Compose section and language switch
- Add README.ja.md (Japanese documentation)
- Update .gitignore with Docker-related entries

Author: Sunwood-ai-labs

.dockerignore

@@ -0,0 +1,10 @@
+.git
+.gitignore
+build/
+.picoclaw/
+config/
+.env
+.env.example
+*.md
+LICENSE
+assets/

.env.example

@@ -0,0 +1,17 @@
+# ── LLM Provider ──────────────────────────
+# Uncomment and set the API key for your provider
+# OPENROUTER_API_KEY=sk-or-v1-xxx
+# ZHIPU_API_KEY=xxx
+# ANTHROPIC_API_KEY=sk-ant-xxx
+# OPENAI_API_KEY=sk-xxx
+# GEMINI_API_KEY=xxx
+
+# ── Chat Channel ──────────────────────────
+# TELEGRAM_BOT_TOKEN=123456:ABC...
+# DISCORD_BOT_TOKEN=xxx
+
+# ── Web Search (optional) ────────────────
+# BRAVE_SEARCH_API_KEY=BSA...
+
+# ── Timezone ──────────────────────────────
+TZ=Asia/Tokyo

.gitignore

@@ -1,5 +1,7 @@
 # Binaries
+# Go build artifacts
 bin/
+build/
 *.exe
 *.dll
 *.so
@@ -10,12 +12,20 @@ bin/
 /picoclaw-test
 
 # Picoclaw specific
+
+# PicoClaw
 .picoclaw/
 config.json
 sessions/
 build/
 
 # Coverage
+
+# Secrets & Config (keep templates, ignore actual secrets)
+.env
+config/config.json
+
+# Test
 coverage.txt
 coverage.html
 

Dockerfile

@@ -0,0 +1,36 @@
+# ============================================================
+# Stage 1: Build the picoclaw binary
+# ============================================================
+FROM golang:1.24-alpine AS builder
+
+RUN apk add --no-cache git make
+
+WORKDIR /src
+
+# Cache dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source and build
+COPY . .
+RUN make build
+
+# ============================================================
+# Stage 2: Minimal runtime image
+# ============================================================
+FROM alpine:3.21
+
+RUN apk add --no-cache ca-certificates tzdata
+
+# Copy binary
+COPY --from=builder /src/build/picoclaw /usr/local/bin/picoclaw
+
+# Copy builtin skills
+COPY --from=builder /src/skills /opt/picoclaw/skills
+
+# Create picoclaw home directory
+RUN mkdir -p /root/.picoclaw/workspace/skills && \
+    cp -r /opt/picoclaw/skills/* /root/.picoclaw/workspace/skills/ 2>/dev/null || true
+
+ENTRYPOINT ["picoclaw"]
+CMD ["gateway"]