ci(docker): 添加Dockerfile和更新CI工作流配置

添加新的Dockerfile用于构建miniChat应用镜像
更新.gitea/workflows/docker.yaml CI工作流配置，优化构建和发布流程

.gitea/workflows/docker.yaml

@@ -97,4 +97,4 @@ jobs:
           echo ${SERVICE_NAME}
           echo ${APIDOC_CONTAINER_NAME}
           echo ${SWAGGER_JSON}
-          make swagger-docker          
+          make swagger-docker

Dockerfile

@@ -0,0 +1,51 @@
+# Build stage
+FROM golang:1.24.5-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Install dependencies
+RUN apk add --no-cache git ca-certificates tzdata
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -ldflags '-w -s' -trimpath -o miniChat .
+
+# Final stage
+FROM alpine:latest
+
+# Install ca-certificates for HTTPS requests
+RUN apk --no-cache add ca-certificates tzdata
+
+# Set timezone
+ENV TZ=Asia/Shanghai
+
+# Create app directory
+WORKDIR /app
+
+# Copy binary from builder stage
+COPY --from=builder /app/miniChat .
+
+# Copy configuration files if they exist
+COPY --from=builder /app/configs ./configs
+
+# Create logs directory
+RUN mkdir -p /app/logs
+
+# Expose port
+EXPOSE 9991
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:9991/system/health || exit 1
+
+# Run the application
+CMD ["./miniChat"]