Remove sensitive .env files and add .env.example templates

.gitignore

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+# Ignore sensitive environment files
+.env/*.env
+!*.env.example

env/.env/.env/.env/userservice.env.example

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+PORT=8000
+LOG_FILE=/dev/stdout
+
+# github oauth2 app credentials
+GITHUB_CLIENT_ID=your_github_client_id
+GITHUB_CLIENT_SECRET=your_github_client_secret
+GITHUB_AUTH_REDIRECT=http://localhost:8080/v1/auth/callback
+GITHUB_AUTH_SCOPES=
+
+# mongo url
+MONGO_URL=mongodb://user:password@localhost:27017
+
+JAEGER_AGENT_HOST=jaeger
+OTEL_EXPORTER_JAEGER_AGENT_HOST=localhost
+OTEL_EXPORTER_JAEGER_AGENT_PORT=6831

env/.env/.env/itest.env.example

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+GATEWAY_PORT=80
+LOG_FILE=/dev/stdout
+
+# github oauth2 app credentials
+GITHUB_CLIENT_ID=your_github_client_id
+GITHUB_CLIENT_SECRET=your_github_client_secret
+GITHUB_AUTH_REDIRECT=http://localhost:8080/v1/auth/callback
+GITHUB_AUTH_SCOPES=
+
+# redis configs
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=your_redis_password
+
+# session configs
+SESSION_TTL_DAYS=30
+HASH_KEY=your_hash_key
+BLOCK_KEY=your_block_key
+CSRF_TTL_SECONDS=300
+
+# grpc urls
+USER_SERVICE_URL=localhost:8000
+USER_SERVICE_INIT_CONN=2
+USER_SERVICE_CONN_CAPACITY=1000
+USER_SERVICE_CONN_TTL=2
+
+# mongo url
+MONGO_URL=mongodb://user:password@localhost:27017

env/.env/gateway.env.example

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+GATEWAY_PORT=80
+LOG_FILE=/dev/stdout
+
+# github oauth2 app credentials
+GITHUB_CLIENT_ID=your_github_client_id
+GITHUB_CLIENT_SECRET=your_github_client_secret
+GITHUB_AUTH_REDIRECT=http://localhost:8080/v1/auth/callback
+GITHUB_AUTH_SCOPES=
+
+# redis configs
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=your_redis_password
+
+# session configs
+SESSION_TTL_DAYS=30
+HASH_KEY=your_hash_key
+BLOCK_KEY=your_block_key
+CSRF_TTL_SECONDS=300
+
+# grpc urls
+USER_SERVICE_URL=localhost:8000
+USER_SERVICE_INIT_CONN=2
+USER_SERVICE_CONN_CAPACITY=1000
+USER_SERVICE_CONN_TTL=2
+
+# mongo url
+MONGO_URL=mongodb://user:password@localhost:27017
+
+JAEGER_AGENT_HOST=jaeger
+OTEL_EXPORTER_JAEGER_AGENT_HOST=localhost
+OTEL_EXPORTER_JAEGER_AGENT_PORT=6831