feat: support external Docker database seed

.dockerignore

@@ -9,4 +9,7 @@ data/
 .vscode/
 .idea/
 brasilcep-webservice
-wserver
+wserver
+.git/
+data.tar.gz
+data-dne.tar.gz

.gitignore

@@ -9,4 +9,5 @@ tmp_dne/
 .vscode/
 .idea/
 brasilcep-webservice
-wserver
+wserver
+data-dne.tar.gz

Dockerfile

@@ -1,24 +1,45 @@
-FROM alpine:latest AS base
-RUN apk update && apk upgrade
+# syntax=docker/dockerfile:1
 
-FROM base AS builder 
+FROM golang:1.24-alpine AS builder
 
-RUN apk add go make git
+WORKDIR /src
 
-WORKDIR /app
+# Keep dependency downloads cached when only application sources change.
+COPY go.mod go.sum ./
+RUN go mod download
 
 COPY . .
 
-RUN make build
+ARG VERSION=dev
+ARG COMMIT=none
+ARG REPO=github.com/brasilcep/api
+
+RUN CGO_ENABLED=0 GOOS=linux go build \
+    -trimpath \
+    -ldflags="-s -w \
+      -X 'main.Version=${VERSION}' \
+      -X 'main.Commit=${COMMIT}' \
+      -X 'main.Repo=${REPO}' \
+      -X 'main.Compiler=$(go version | awk '{print $3}')'" \
+    -o /out/wserver ./main.go
 
-FROM base AS final
+FROM alpine:3.22 AS final
+
+RUN apk add --no-cache su-exec tar && \
+    addgroup -S brasilcep && \
+    adduser -S -G brasilcep -h /app brasilcep
 
 WORKDIR /app
 
-COPY --from=builder /app/data.tar.gz /app/data.tar.gz
+COPY --from=builder /out/wserver ./wserver
+COPY --chown=brasilcep:brasilcep --chmod=755 docker-entrypoint.sh ./docker-entrypoint.sh
+
+ENV DB_PATH=/app/data \
+    MODE=listen
 
-RUN tar -xzf data.tar.gz && rm -rf data.tar.gz
+EXPOSE 8080
 
-COPY --from=builder /app/wserver /app/wserver
+HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
+    CMD wget -q -O /dev/null http://127.0.0.1:8080/healthcheck || exit 1
 
-CMD ["./wserver"]
+ENTRYPOINT ["/app/docker-entrypoint.sh"]

Makefile

@@ -12,6 +12,11 @@ VERSION := $(shell \
 GO_VERSION := $(shell go version | awk '{print $$3}')
 
 REPO := github.com/brasilcep/api
+IMAGE_NAME ?= brasilcep/api
+IMAGE_TAG ?= dev
+DOCKER_IMAGE := $(IMAGE_NAME):$(IMAGE_TAG)
+
+.PHONY: build test lint docker-build docker-push docker-publish run-docker benchmark-docker
 
 build:
 	@echo "Building version $(VERSION) (commit: $(COMMIT))"
@@ -28,16 +33,26 @@ lint:
 	golangci-lint run --timeout 5m
 
 docker-build:
-	tar -czf data.tar.gz data/
-	docker build -t brasilcep/api:dev .
+	@echo "Building Docker image $(DOCKER_IMAGE)"
+	docker build \
+		--build-arg VERSION="$(VERSION)" \
+		--build-arg COMMIT="$(COMMIT)" \
+		--build-arg REPO="$(REPO)" \
+		-t "$(DOCKER_IMAGE)" .
+
+docker-push:
+	docker push "$(DOCKER_IMAGE)"
+
+docker-publish: docker-build
+	docker push "$(DOCKER_IMAGE)"
 
-run-docker: 
+run-docker:
 	docker run --cpus="0.5" --memory="512m" \
 	-p 8080:8080 \
-	brasilcep/api:dev
+	"$(DOCKER_IMAGE)"
 
 benchmark-docker:
 	docker compose up brasilcep-api -d
 	@echo "Waiting for the API to start and load data..."
 	sleep 120
-	docker compose up 
+	docker compose up