Add production deployment: Dockerfile, docker-compose, deploy script

- Dockerfile: multi-stage build (golang:1.25-alpine → alpine:3.21), linux/amd64
- infra/mariadb: docker-compose + init SQL for reanimator DB/user
- infra/reanimator: docker-compose for reanimator-api (Gitea registry)
- deploy.sh: local build → push to git.mchus.pro → SSH deploy

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Dockerfile

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+FROM golang:1.25-alpine AS builder
+
+WORKDIR /build
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o reanimator-api ./cmd/reanimator-api
+
+
+FROM alpine:3.21
+
+RUN apk add --no-cache tzdata ca-certificates
+
+WORKDIR /app
+
+COPY --from=builder /build/reanimator-api ./reanimator-api
+COPY --from=builder /build/migrations ./migrations
+
+EXPOSE 9999
+
+ENTRYPOINT ["./reanimator-api"]

deploy.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+IMAGE="git.mchus.pro/reanimator/core"
+TAG="${1:-latest}"
+DEPLOY_DIR="/appdata/reanimator"
+
+echo "Deploy target:"
+echo "  1) local"
+echo "  2) remote (SSH)"
+read -rp "Choice [1/2]: " choice
+
+case "$choice" in
+  1)
+    TARGET="local"
+    ;;
+  2)
+    read -rp "SSH target (login@hostname): " SSH_TARGET
+    TARGET="ssh"
+    ;;
+  *)
+    echo "Invalid choice" >&2
+    exit 1
+    ;;
+esac
+
+echo "==> Building and pushing $IMAGE:$TAG (linux/amd64)..."
+docker buildx build --platform linux/amd64 -t "$IMAGE:$TAG" --push .
+
+if [ "$TARGET" = "local" ]; then
+  echo "==> Deploying locally..."
+  docker pull "$IMAGE:$TAG"
+  cd "$DEPLOY_DIR"
+  docker compose pull
+  docker compose up -d --remove-orphans
+  echo "-- Status:"
+  docker compose ps
+  echo "==> Done."
+else
+  echo "==> Deploying on $SSH_TARGET..."
+  ssh "$SSH_TARGET" "
+    set -euo pipefail
+    echo '-- Pulling image...'
+    docker pull $IMAGE:$TAG
+
+    echo '-- Restarting container...'
+    cd $DEPLOY_DIR
+    docker compose pull
+    docker compose up -d --remove-orphans
+
+    echo '-- Status:'
+    docker compose ps
+  "
+  echo "==> Done."
+fi

infra/mariadb/docker-compose.yml

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+services:
+  mariadb:
+    image: mariadb:11.4
+    container_name: mariadb
+    restart: unless-stopped
+    env_file: /appdata/mariadb/mariadb.env
+    ports:
+      - "3306:3306"
+    volumes:
+      - /appdata/mariadb/data:/var/lib/mysql
+      - /appdata/mariadb/init:/docker-entrypoint-initdb.d:ro
+    healthcheck:
+      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s

infra/mariadb/init/01_reanimator.sql

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+CREATE DATABASE IF NOT EXISTS reanimator
+    CHARACTER SET utf8mb4
+    COLLATE utf8mb4_unicode_ci;
+
+CREATE USER IF NOT EXISTS 'reanimator'@'%' IDENTIFIED BY 'REANIMATOR_PASSWORD_PLACEHOLDER';
+
+GRANT ALL PRIVILEGES ON reanimator.* TO 'reanimator'@'%';
+
+FLUSH PRIVILEGES;

infra/mariadb/mariadb.env.example

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+# Скопировать на сервер: /appdata/mariadb/mariadb.env
+# Заменить все значения на реальные
+
+MARIADB_ROOT_PASSWORD=changeme_root
+
+# Пользователь для reanimator (должен совпадать с паролем в init/01_reanimator.sql)
+MARIADB_USER=reanimator
+MARIADB_PASSWORD=changeme_reanimator
+MARIADB_DATABASE=reanimator

infra/reanimator/docker-compose.yml

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+services:
+  reanimator-api:
+    image: git.mchus.pro/reanimator/core:latest
+    container_name: reanimator-api
+    restart: unless-stopped
+    env_file: /appdata/reanimator/reanimator.env
+    ports:
+      - "9999:9999"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    healthcheck:
+      test: ["CMD-SHELL", "wget -qO- http://localhost:9999/health || exit 1"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+      start_period: 20s

infra/reanimator/reanimator.env.example

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+# Скопировать на сервер: /appdata/reanimator/reanimator.env
+
+HTTP_ADDR=:9999
+DATABASE_DSN=reanimator:PASSWORD@tcp(host.docker.internal:3306)/reanimator?parseTime=true
+MIGRATIONS_DIR=/app/migrations