Build Docker images and publish to official MCP registry (#128)

Author: nathanjcochran

.goreleaser.yaml

@@ -93,6 +93,29 @@ nfpms:
       lintian_overrides:
         - statically-linked-binary
 
+dockers_v2:
+  - id: docker
+    images:
+      - ghcr.io/timescale/tiger-cli
+    tags:
+      - "{{ .Version }}"
+      - '{{ if eq .Prerelease "" }}{{ .Major }}{{ end }}'
+      - '{{ if eq .Prerelease "" }}{{ .Major }}.{{ .Minor }}{{ end }}'
+      - '{{ if eq .Prerelease "" }}latest{{ end }}'
+    labels:
+      org.opencontainers.image.created: "{{.Date}}"
+      org.opencontainers.image.name: "{{.ProjectName}}"
+      org.opencontainers.image.title: "{{.ProjectName}}"
+      org.opencontainers.image.revision: "{{.FullCommit}}"
+      org.opencontainers.image.source: "https://github.com/timescale/tiger-cli"
+      org.opencontainers.image.url: "https://github.com/timescale/tiger-cli"
+      org.opencontainers.image.version: "{{.Version}}"
+      io.modelcontextprotocol.server.name: "io.github.timescale/tiger-cli"
+    build_args:
+      BINARY_SOURCE: release
+    platforms:
+      - linux/amd64
+      - linux/arm64
 
 # S3 Blob Storage Configuration
 blobs:

Dockerfile

@@ -0,0 +1,57 @@
+ARG GO_VERSION=1.25
+ARG BINARY_SOURCE=builder
+
+# When performing a multi-platform build, leverage Go's built-in support for
+# cross-compilation instead of relying on emulation (which is much slower).
+# See: https://docs.docker.com/build/building/multi-platform/#cross-compiling-a-go-application
+FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION} AS builder
+ARG TARGETOS
+ARG TARGETARCH
+
+# Download dependencies to local module cache
+WORKDIR /src
+RUN --mount=type=bind,source=go.sum,target=go.sum \
+    --mount=type=bind,source=go.mod,target=go.mod \
+    --mount=type=cache,target=/go/pkg/mod \
+    go mod download -x
+
+# Build static executable
+RUN --mount=type=bind,target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    GOOS=${TARGETOS} GOARCH=${TARGETARCH} CGO_ENABLED=0 go build -o /bin/tiger ./cmd/tiger
+
+# When building Docker images via GoReleaser, the binaries are built externally
+# and copied in. See: https://goreleaser.com/customization/dockers_v2/
+FROM scratch AS release
+ARG TARGETPLATFORM
+COPY ${TARGETPLATFORM}/tiger /bin/tiger
+
+# Either the 'builder' or 'release' stage, depending on whether we're building
+# the binaries in Docker or outside via GoReleaser.
+FROM ${BINARY_SOURCE} AS binary_source
+
+# Create final alpine image
+FROM alpine:3.23 AS final
+
+# Install psql for sake of `tiger db connect`
+RUN apk add --update --no-cache postgresql-client
+
+# Create non-root user/group
+RUN addgroup -g 1000 tiger && adduser -u 1000 -G tiger -D tiger
+USER tiger
+WORKDIR /home/tiger
+
+# Set env vars to control default Tiger CLI behavior
+ENV TIGER_PASSWORD_STORAGE=pgpass
+ENV TIGER_CONFIG_DIR=/home/tiger/.config/tiger
+
+# Declare config file mount points
+VOLUME /home/tiger/.config/tiger
+VOLUME /home/tiger/.pgpass
+
+# Copy binary to final image
+COPY --from=binary_source /bin/tiger /usr/local/bin/tiger
+
+ENTRYPOINT ["tiger"]
+CMD ["mcp", "start"]

README.md

@@ -244,6 +244,8 @@ Environment variables override configuration file values. All variables use the
 - `TIGER_DOCS_MCP` - Enable/disable docs MCP proxy
 - `TIGER_OUTPUT` - Output format: `json`, `yaml`, or `table`
 - `TIGER_PASSWORD_STORAGE` - Password storage method: `keyring`, `pgpass`, or `none`
+- `TIGER_PUBLIC_KEY` - Public key to use for authentication (takes priority over stored credentials)
+- `TIGER_SECRET_KEY` - Secret key to use for authentication (takes priority over stored credentials)
 - `TIGER_SERVICE_ID` - Default service ID
 - `TIGER_VERSION_CHECK_INTERVAL` - How often the CLI will check for new versions, 0 to disable
 

docker-compose.yaml

@@ -0,0 +1,23 @@
+services:
+  tiger-cli:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    develop:
+      watch:
+        - action: rebuild
+          path: ./
+    image: ghcr.io/timescale/tiger-cli:${TAG:-latest}
+    container_name: tiger-cli
+    environment:
+      - TIGER_PUBLIC_KEY
+      - TIGER_SECRET_KEY
+    ports:
+      - 8080:8080
+    volumes:
+      - type: bind
+        source: ${HOME}/.config/tiger
+        target: /home/tiger/.config/tiger
+      - type: bind
+        source: ${HOME}/.pgpass
+        target: /home/tiger/.pgpass

internal/tiger/analytics/analytics.go

@@ -37,7 +37,9 @@ type Analytics struct {
 	client    *api.ClientWithResponses
 }
 
-// New initializes a new [Analytics] instance.
+// New initializes a new [Analytics] instance. The [config.Config] parameters
+// is required, but the others are optional. Analytics won't be sent if the
+// [api.ClientWithResponses] is nil.
 func New(cfg *config.Config, client *api.ClientWithResponses, projectID string) *Analytics {
 	return &Analytics{
 		config:    cfg,
@@ -46,26 +48,6 @@ func New(cfg *config.Config, client *api.ClientWithResponses, projectID string)
 	}
 }
 
-// TryInit tries to load credentials to initialize an [Analytics]
-// instance.  It returns an instance with a nil client if credentials do not
-// exist or it otherwise fails to create a new client. This function is
-// intended to be used when the caller does not otherwise need an API client to
-// function, but would use one if available to track analytics events.
-// Otherwise, call NewAnalytics directly.
-func TryInit(cfg *config.Config) *Analytics {
-	apiKey, projectID, err := config.GetCredentials()
-	if err != nil {
-		return New(cfg, nil, "")
-	}
-
-	client, err := api.NewTigerClient(cfg, apiKey)
-	if err != nil {
-		return New(cfg, nil, projectID)
-	}
-
-	return New(cfg, client, projectID)
-}
-
 // Option is a function that modifies analytics event properties. Options are
 // passed to Track and Identify methods to customize the data sent with events.
 type Option func(properties map[string]any)

internal/tiger/cmd/auth.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"bufio"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -15,15 +16,14 @@ import (
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
 
-	"github.com/timescale/tiger-cli/internal/tiger/analytics"
 	"github.com/timescale/tiger-cli/internal/tiger/api"
 	"github.com/timescale/tiger-cli/internal/tiger/common"
 	"github.com/timescale/tiger-cli/internal/tiger/config"
 	"github.com/timescale/tiger-cli/internal/tiger/util"
 )
 
-// validateAndGetAuthInfo can be overridden for testing
-var validateAndGetAuthInfo = validateAndGetAuthInfoImpl
+// validateAPIKey can be overridden for testing
+var validateAPIKey = common.ValidateAPIKey
 
 // nextStepsMessage is the message shown after successful login
 const nextStepsMessage = `
@@ -118,9 +118,15 @@ Examples:
 			// Combine the keys in the format "public:secret" for storage
 			apiKey := fmt.Sprintf("%s:%s", creds.publicKey, creds.secretKey)
 
+			// Create API client
+			client, err := api.NewTigerClient(cfg, apiKey)
+			if err != nil {
+				return fmt.Errorf("failed to create client: %w", err)
+			}
+
 			// Validate the API key and get auth info by calling the /auth/info endpoint
 			fmt.Fprintln(cmd.OutOrStdout(), "Validating API key...")
-			authInfo, err := validateAndGetAuthInfo(cmd.Context(), cfg, apiKey)
+			authInfo, err := validateAPIKey(cmd.Context(), cfg, client)
 			if err != nil {
 				return fmt.Errorf("API key validation failed: %w", err)
 			}
@@ -178,28 +184,20 @@ func buildStatusCmd() *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cmd.SilenceUsage = true
 
-			// Get config
-			cfg, err := config.Load()
-			if err != nil {
-				return fmt.Errorf("failed to load config: %w", err)
-			}
-
-			apiKey, _, err := config.GetCredentials()
+			// Load config and API client
+			cfg, err := common.LoadConfig(cmd.Context())
 			if err != nil {
+				if errors.Is(err, config.ErrNotLoggedIn) {
+					return common.ExitWithCode(common.ExitAuthenticationError, config.ErrNotLoggedIn)
+				}
 				return err
 			}
 
-			// Create API client
-			client, err := api.NewTigerClient(cfg, apiKey)
-			if err != nil {
-				return fmt.Errorf("failed to create API client: %w", err)
-			}
-
 			// Make API call to get auth information
 			ctx, cancel := context.WithTimeout(cmd.Context(), 30*time.Second)
 			defer cancel()
 
-			resp, err := client.GetAuthInfoWithResponse(ctx)
+			resp, err := cfg.Client.GetAuthInfoWithResponse(ctx)
 			if err != nil {
 				return fmt.Errorf("failed to get auth information: %w", err)
 			}
@@ -316,45 +314,3 @@ func promptForCredentials(ctx context.Context, consoleURL string, creds credenti
 
 	return creds, nil
 }
-
-// validateAndGetAuthInfoImpl validates the API key and returns authentication information
-// by calling the /auth/info endpoint.
-func validateAndGetAuthInfoImpl(ctx context.Context, cfg *config.Config, apiKey string) (*api.AuthInfo, error) {
-	client, err := api.NewTigerClient(cfg, apiKey)
-	if err != nil {
-		return nil, fmt.Errorf("failed to create client: %w", err)
-	}
-
-	ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
-	defer cancel()
-
-	// Call the /auth/info endpoint to validate credentials and get auth info
-	resp, err := client.GetAuthInfoWithResponse(ctx)
-	if err != nil {
-		return nil, fmt.Errorf("API call failed: %w", err)
-	}
-
-	// Check the response status
-	if resp.StatusCode() != 200 {
-		if resp.JSON4XX != nil {
-			return nil, resp.JSON4XX
-		}
-		return nil, fmt.Errorf("unexpected API response: %d", resp.StatusCode())
-	}
-
-	if resp.JSON200 == nil {
-		return nil, fmt.Errorf("empty response from API")
-	}
-
-	authInfo := resp.JSON200
-
-	// Identify the user with analytics
-	a := analytics.New(cfg, client, authInfo.ApiKey.Project.Id)
-	a.Identify(
-		analytics.Property("userId", authInfo.ApiKey.IssuingUser.Id),
-		analytics.Property("email", string(authInfo.ApiKey.IssuingUser.Email)),
-		analytics.Property("planType", authInfo.ApiKey.Project.PlanType),
-	)
-
-	return authInfo, nil
-}