디렉토리 구조 및 각 서비스 추가

helm/airflow/dockerfiles/pgbouncer-exporter/Dockerfile

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+ARG ALPINE_VERSION="3.17"
+ARG GO_VERSION
+
+FROM golang:${GO_VERSION} AS builder
+
+ARG PGBOUNCER_EXPORTER_VERSION
+
+WORKDIR /usr/src/myapp
+
+SHELL ["/bin/bash", "-o", "pipefail", "-e", "-u", "-x", "-c"]
+
+RUN URL="https://github.com/jbub/pgbouncer_exporter/archive/v${PGBOUNCER_EXPORTER_VERSION}.tar.gz" \
+    && curl -L "${URL}" | tar -zx --strip-components 1 \
+    && PLATFORM=$([ "$(uname -m)" = "aarch64" ] && echo "arm64" || echo "amd64" )\
+    && GOOS=linux GOARCH="${PLATFORM}" CGO_ENABLED=0 go build -v
+
+FROM alpine:${ALPINE_VERSION} AS final
+
+# We want to make sure this one includes latest security fixes.
+# "Pin versions in apk add" https://github.com/hadolint/hadolint/wiki/DL3018
+# hadolint ignore=DL3018
+RUN apk --no-cache add libressl libressl-dev openssl
+
+COPY --from=builder /usr/src/myapp/pgbouncer_exporter /bin
+
+ARG PGBOUNCER_EXPORTER_VERSION
+ARG AIRFLOW_PGBOUNCER_EXPORTER_VERSION
+ARG GO_VERSION
+ARG COMMIT_SHA
+
+LABEL org.apache.airflow.component="pgbouncer-exporter" \
+    org.apache.airflow.pgbouncer-exporter.version="${PGBOUNCER_EXPORTER_VERSION}" \
+    org.apache.airflow.go.version="${GO_VERSION}" \
+    org.apache.airflow.airflow-pgbouncer-exporter.version="${AIRFLOW_PGBOUNCER_EXPORTER_VERSION}" \
+    org.apache.airflow.commit-sha="${COMMIT_SHA}" \
+    maintainer="Apache Airflow Community <dev@airflow.apache.org>"
+
+HEALTHCHECK CMD ["/bin/pgbouncer_exporter", "health"]
+
+USER nobody
+
+ENTRYPOINT ["/bin/pgbouncer_exporter"]
+CMD ["server"]