pg debug dashboard

[skudasov]

• Turn on pg_stat_statement extension for all databases
• Add PostgreSQL metrics dashboard
• Add postgresql_exporter for each DB
• Add data sources for raw SQL queries

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Below is a summarization created by an LLM (gpt-4-0125-preview). Be mindful of hallucinations and verify accuracy.

Why

This pull request introduces PostgreSQL observability and updates documentation regarding the use of Blockscout for debugging EVM smart contracts. Specifically, it adds PostgreSQL exporters and dashboards to the local observability stack, providing insights into PostgreSQL databases. Additionally, it updates the Blockscout documentation to include authentication steps for ghcr images and emphasizes the use of Blockscout in ephemeral environments.

What

• book/src/SUMMARY.md: Added a new entry for PostgreSQL under the Observability section.
• book/src/framework/observability/blockscout.md: Updated documentation with steps for ghcr authentication and added instructions on starting Blockscout. It also highlights considerations for using Blockscout in ephemeral environments.
• book/src/framework/observability/observability_stack.md: Included links to newly added PostgreSQL dashboards and updated the helpful links section for local setup.
• book/src/framework/observability/postgresql.md: New file introducing PostgreSQL metrics, data sources, and dashboards with links for detailed views and queries.
• book/src/framework/verify.md: Added a note on specifying the compiler version when verifying contracts.
• framework/.changeset/v0.4.6.md: Describes the addition of PostgreSQL exporters and dashboards, and updates to the Blockscout documentation.
• framework/cmd/main.go & framework/cmd/observability.go: Updated to include links to PostgreSQL dashboards in the observability command output.
• framework/cmd/observability/compose/conf/prometheus.yml & framework/cmd/observability/compose/conf/provisioning/dashboards/pg/pg.json: Introduced configurations for Prometheus data sources and PostgreSQL dashboards.
• framework/cmd/observability/compose/conf/provisioning/datasources/loki.yaml: Added PostgreSQL data sources for Grafana.
• framework/cmd/observability/compose/docker-compose.yaml: Included services for PostgreSQL exporters.
• framework/examples/myproject/go.mod & go.sum: Updated dependencies.

[cl-sonarqube-production]

Quality Gate failed

Failed conditions
5 New Blocker Issues (required ≤ 0)
E Security Rating on New Code (required ≥ A)

See analysis details on SonarQube

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