build(docker): add docker and docker-compose files

docker/nginx/default.conf

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+server {
+    index index.php index.html;
+    server_name symfony_example_app;
+    error_log  stderr debug;
+    access_log  stderr;
+    listen   80;
+    root /var/www/html/public;
+
+    location / {
+        try_files $uri /index.php$is_args$args;
+    }
+
+    location /build {
+        try_files $uri /$uri;
+    }
+
+    location ~ ^/.+\.php(/|$) {
+        fastcgi_pass php-fpm:9000;
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+    }
+}

docker/telemetry/grafana-datasources.yaml

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+apiVersion: 1
+
+datasources:
+- name: Prometheus
+  type: prometheus
+  uid: prometheus
+  access: proxy
+  orgId: 1
+  url: http://prometheus:9090
+  basicAuth: false
+  isDefault: false
+  version: 1
+  editable: false
+  jsonData:
+    httpMethod: GET
+- name: Tempo
+  type: tempo
+  access: proxy
+  orgId: 1
+  url: http://tempo:3200
+  basicAuth: false
+  isDefault: true
+  version: 1
+  editable: false
+  apiVersion: 1
+  uid: tempo
+  jsonData:
+    httpMethod: GET
+    serviceMap:
+      datasourceUid: prometheus
+- name: Loki
+  type: loki
+  access: proxy
+  orgId: 1
+  url: http://loki:3100
+  basicAuth: false
+  isDefault: false
+  version: 1
+  editable: false
+  apiVersion: 1
+  uid: loki
+  jsonData:
+    httpMethod: GET

docker/telemetry/loki.yaml

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+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+  grpc_listen_port: 9096
+
+common:
+  instance_addr: 127.0.0.1
+  path_prefix: /tmp/loki
+  storage:
+    filesystem:
+      chunks_directory: /tmp/loki/chunks
+      rules_directory: /tmp/loki/rules
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+query_range:
+  results_cache:
+    cache:
+      embedded_cache:
+        enabled: true
+        max_size_mb: 100
+
+schema_config:
+  configs:
+    - from: 2020-10-24
+      store: tsdb
+      object_store: filesystem
+      schema: v12
+      index:
+        prefix: index_
+        period: 24h
+
+ruler:
+  alertmanager_url: http://localhost:9093

docker/telemetry/otelcol-config.yaml

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+receivers:
+  loki:
+    protocols:
+      grpc:
+    use_incoming_timestamp: true
+  otlp:
+    protocols:
+      grpc:
+processors:
+  attributes:
+    actions:
+      - action: insert
+        key: loki.attribute.labels
+        value: context, code.filepath, code.namespace, code.function, code.lineno, http.request.method, http.request.body.size, url.full, url.scheme, url.path, http.route, http.response.status_code
+      - action: insert
+        from_attribute: context
+        key: context
+      - action: insert
+        from_attribute: code.namespace
+        key: code.namespace
+      - action: insert
+        from_attribute: code.function
+        key: code.function
+      - action: insert
+        from_attribute: code.lineno
+        key: code.lineno
+      - action: insert
+        from_attribute: http.request.method
+        key: http.request.method
+      - action: insert
+        from_attribute: http.request.body.size
+        key: http.request.body.size
+      - action: insert
+        from_attribute: http.response.status_code
+        key: http.response.status_code
+      - action: insert
+        from_attribute: url.full
+        key: url.full
+      - action: insert
+        from_attribute: url.scheme
+        key: url.scheme
+      - action: insert
+        from_attribute: url.path
+        key: url.path
+      - action: insert
+        from_attribute: http.route
+        key: http.route
+      - action: insert
+        key: loki.format
+        value: raw
+exporters:
+  loki:
+    endpoint: http://loki:3100/loki/api/v1/push
+  otlp:
+    endpoint: tempo:4317
+    tls:
+      insecure: true
+  logging:
+    verbosity: Detailed
+service:
+  pipelines:
+    logs:
+      receivers: [otlp]
+      processors: [attributes]
+      exporters: [logging,loki]
+    traces:
+      receivers: [otlp]
+      exporters: [logging,otlp]

docker/telemetry/prometheus.yaml

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+global:
+  scrape_interval:     15s
+  evaluation_interval: 15s
+
+scrape_configs:
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: [ 'localhost:9090' ]
+  - job_name: 'tempo'
+    static_configs:
+      - targets: [ 'tempo:3200' ]

docker/telemetry/promtail.yaml

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+clients:
+  - url: http://otelcol:3500/loki/api/v1/push

docker/telemetry/tempo.yaml

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+server:
+  http_listen_port: 3200
+
+query_frontend:
+  search:
+    duration_slo: 5s
+    throughput_bytes_slo: 1.073741824e+09
+  trace_by_id:
+    duration_slo: 5s
+
+distributor:
+  receivers:                           # this configuration will listen on all ports and protocols that tempo is capable of.
+    jaeger:                            # the receives all come from the OpenTelemetry collector.  more configuration information can
+      protocols:                       # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
+        thrift_http:                   #
+        grpc:                          # for a production deployment you should only enable the receivers you need!
+        thrift_binary:
+        thrift_compact:
+    zipkin:
+    otlp:
+      protocols:
+        http:
+        grpc:
+    opencensus:
+
+ingester:
+  max_block_duration: 5m               # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
+
+
+
+metrics_generator:
+  processor:
+    span_metrics:
+      dimensions: [http.status_code, http.method]
+      dimension_mappings:
+        - name: http_status_code
+          source_labels: [http_status_code]
+        - name: http_method
+          source_labels: [http_method]
+      enable_target_info: true
+  registry:
+    external_labels:
+      source: tempo
+      cluster: docker-compose
+  storage:
+    path: /tmp/tempo/generator/wal
+    remote_write:
+      - url: http://prometheus:9090/api/v1/write
+        send_exemplars: true
+
+storage:
+  trace:
+    backend: local                     # backend configuration to use
+    wal:
+      path: /tmp/tempo/wal             # where to store the the wal locally
+    local:
+      path: /tmp/tempo/blocks
+
+overrides:
+  defaults:
+    metrics_generator:
+
+      processors: [service-graphs, span-metrics] # enables metrics generator
+    global:
+      # Maximum size of a single trace in bytes.  A value of 0 disables the size
+      # check.
+      # This limit is used in 3 places:
+      #  - During search, traces will be skipped when they exceed this threshold.
+      #  - During ingestion, traces that exceed this threshold will be refused.
+      #  - During compaction, traces that exceed this threshold will be partially dropped.
+      # During ingestion, exceeding the threshold results in errors like
+      #    TRACE_TOO_LARGE: max size of trace (5000000) exceeded while adding 387 bytes
+      max_bytes_per_trace: 20000000